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                    常量
            
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                    测试多返回值函数的错误
            
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                    switch 结构
            
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                    for 结构
            
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                    Break 与 continue
            
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                    传递变长参数
            
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                    defer 和追踪
            
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                    将函数作为参数
            
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                    应用闭包：将函数作为返回值
            
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                    计算函数执行时间
            
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                    通过内存缓存来提升性能
            
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                    数组与切片
            
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                    切片
            
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                    For-range 结构
            
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                    切片的复制与追加
            
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                    字符串、数组和切片的应用
            
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                    Map
            
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                    声明、初始化和 make
            
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                    测试键值对是否存在及删除元素
            
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                    for-range 的配套用法
            
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                    map 类型的切片
            
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                    map 的排序
            
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                    将 map 的键值对调
            
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<li class="chapter " data-level="1.2.3.6.3" data-path="../../the-way-to-go/eBook/09.3.html">
  
  <a href="../../the-way-to-go/eBook/09.3.html">
    
                    
                    锁和 sync 包
            
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<li class="chapter " data-level="1.2.3.6.4" data-path="../../the-way-to-go/eBook/09.4.html">
  
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                    精密计算和 big 包
            
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</li>

<li class="chapter " data-level="1.2.3.6.5" data-path="../../the-way-to-go/eBook/09.5.html">
  
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                    自定义包和可见性
            
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<li class="chapter " data-level="1.2.3.6.6" data-path="../../the-way-to-go/eBook/09.6.html">
  
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                    为自定义包使用 godoc
            
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<li class="chapter " data-level="1.2.3.6.7" data-path="../../the-way-to-go/eBook/09.7.html">
  
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                    使用 go install 安装自定义包
            
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<li class="chapter " data-level="1.2.3.6.8" data-path="../../the-way-to-go/eBook/09.8.html">
  
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                    自定义包的目录结构、go install 和 go test
            
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<li class="chapter " data-level="1.2.3.6.9" data-path="../../the-way-to-go/eBook/09.9.html">
  
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                    通过 Git 打包和安装
            
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<li class="chapter " data-level="1.2.3.6.10" data-path="../../the-way-to-go/eBook/09.10.html">
  
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                    Go 的外部包和项目
            
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<li class="chapter " data-level="1.2.3.6.11" data-path="../../the-way-to-go/eBook/09.11.html">
  
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                    在 Go 程序中使用外部库
            
    </a>
    

    
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    </ul>
    
</li>

<li class="chapter " data-level="1.2.3.7" data-path="../../the-way-to-go/eBook/10.0.html">
  
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                    结构（struct）与方法（method）
            
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<li class="chapter " data-level="1.2.3.7.1" data-path="../../the-way-to-go/eBook/10.1.html">
  
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                    结构体定义
            
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<li class="chapter " data-level="1.2.3.7.2" data-path="../../the-way-to-go/eBook/10.2.html">
  
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                    使用工厂方法创建结构体实例
            
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<li class="chapter " data-level="1.2.3.7.3" data-path="../../the-way-to-go/eBook/10.3.html">
  
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                    使用自定义包中的结构体
            
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<li class="chapter " data-level="1.2.3.7.4" data-path="../../the-way-to-go/eBook/10.4.html">
  
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                    带标签的结构体
            
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<li class="chapter " data-level="1.2.3.7.5" data-path="../../the-way-to-go/eBook/10.5.html">
  
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                    匿名字段和内嵌结构体
            
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<li class="chapter " data-level="1.2.3.7.6" data-path="../../the-way-to-go/eBook/10.6.html">
  
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                    方法
            
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<li class="chapter " data-level="1.2.3.7.7" data-path="../../the-way-to-go/eBook/10.7.html">
  
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                    类型的 String() 方法和格式化描述符
            
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<li class="chapter " data-level="1.2.3.7.8" data-path="../../the-way-to-go/eBook/10.8.html">
  
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                    垃圾回收和 SetFinalizer
            
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</li>


    </ul>
    
</li>

<li class="chapter " data-level="1.2.3.8" data-path="../../the-way-to-go/eBook/11.0.html">
  
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                    接口（interface）与反射（reflection）
            
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<li class="chapter " data-level="1.2.3.8.1" data-path="../../the-way-to-go/eBook/11.1.html">
  
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                    接口是什么
            
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<li class="chapter " data-level="1.2.3.8.2" data-path="../../the-way-to-go/eBook/11.2.html">
  
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                    接口嵌套接口
            
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<li class="chapter " data-level="1.2.3.8.3" data-path="../../the-way-to-go/eBook/11.3.html">
  
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                    类型断言：如何检测和转换接口变量的类型
            
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<li class="chapter " data-level="1.2.3.8.4" data-path="../../the-way-to-go/eBook/11.4.html">
  
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                    类型判断：type-switch
            
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<li class="chapter " data-level="1.2.3.8.5" data-path="../../the-way-to-go/eBook/11.5.html">
  
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                    测试一个值是否实现了某个接口
            
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<li class="chapter " data-level="1.2.3.8.6" data-path="../../the-way-to-go/eBook/11.6.html">
  
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                    使用方法集与接口
            
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<li class="chapter " data-level="1.2.3.8.7" data-path="../../the-way-to-go/eBook/11.7.html">
  
  <a href="../../the-way-to-go/eBook/11.7.html">
    
                    
                    第一个例子：使用 Sorter 接口排序
            
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<li class="chapter " data-level="1.2.3.8.8" data-path="../../the-way-to-go/eBook/11.8.html">
  
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                    第二个例子：读和写
            
    </a>
    

    
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<li class="chapter " data-level="1.2.3.8.9" data-path="../../the-way-to-go/eBook/11.9.html">
  
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                    空接口
            
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<li class="chapter " data-level="1.2.3.8.9.1" data-path="../../the-way-to-go/eBook/11.10.html">
  
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                    反射包
            
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<li class="chapter " data-level="1.2.3.8.9.2" data-path="../../the-way-to-go/eBook/11.11.html">
  
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                    Printf 和反射
            
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<li class="chapter " data-level="1.2.3.8.9.3" data-path="../../the-way-to-go/eBook/11.12.html">
  
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                    接口与动态类型
            
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<li class="chapter " data-level="1.2.3.8.9.4" data-path="../../the-way-to-go/eBook/11.13.html">
  
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                    总结：Go 中的面向对象
            
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<li class="chapter " data-level="1.2.3.8.9.5" data-path="../../the-way-to-go/eBook/11.14.html">
  
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                    结构体、集合和高阶函数
            
    </a>
    

    
</li>


    </ul>
    
</li>


    </ul>
    
</li>


    </ul>
    
</li>

<li class="chapter " data-level="1.2.4" >
  
      <span>
            
                    
                    第三部分：Go 高级编程
            
    </span>
    

    
    <ul class="articles">
      

<li class="chapter " data-level="1.2.4.1" data-path="../../the-way-to-go/eBook/12.0.html">
  
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                    读写数据
            
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<li class="chapter " data-level="1.2.4.1.1" data-path="../../the-way-to-go/eBook/12.1.html">
  
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                    读取用户的输入
            
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<li class="chapter " data-level="1.2.4.1.2" data-path="../../the-way-to-go/eBook/12.2.html">
  
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                    文件读写
            
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<li class="chapter " data-level="1.2.4.1.3" data-path="../../the-way-to-go/eBook/12.3.html">
  
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                    文件拷贝
            
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<li class="chapter " data-level="1.2.4.1.4" data-path="../../the-way-to-go/eBook/12.4.html">
  
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                    从命令行读取参数
            
    </a>
    

    
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<li class="chapter " data-level="1.2.4.1.5" data-path="../../the-way-to-go/eBook/12.5.html">
  
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                    用 buffer 读取文件
            
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<li class="chapter " data-level="1.2.4.1.6" data-path="../../the-way-to-go/eBook/12.6.html">
  
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                    用切片读写文件
            
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<li class="chapter " data-level="1.2.4.1.7" data-path="../../the-way-to-go/eBook/12.7.html">
  
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                    用 defer 关闭文件
            
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<li class="chapter " data-level="1.2.4.1.8" data-path="../../the-way-to-go/eBook/12.8.html">
  
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                    使用接口的实际例子：fmt.Fprintf
            
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<li class="chapter " data-level="1.2.4.1.9" data-path="../../the-way-to-go/eBook/12.9.html">
  
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                    格式化 JSON 数据
            
    </a>
    

    
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<li class="chapter " data-level="1.2.4.1.10" data-path="../../the-way-to-go/eBook/12.10.html">
  
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                    XML 数据格式
            
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<li class="chapter " data-level="1.2.4.1.11" data-path="../../the-way-to-go/eBook/12.11.html">
  
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                    用 Gob 传输数据
            
    </a>
    

    
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<li class="chapter " data-level="1.2.4.1.12" data-path="../../the-way-to-go/eBook/12.12.html">
  
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                    Go 中的密码学
            
    </a>
    

    
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    </ul>
    
</li>

<li class="chapter " data-level="1.2.4.2" data-path="../../the-way-to-go/eBook/13.0.html">
  
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                    错误处理与测试
            
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<li class="chapter " data-level="1.2.4.2.1" data-path="../../the-way-to-go/eBook/13.1.html">
  
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                    错误处理
            
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<li class="chapter " data-level="1.2.4.2.2" data-path="../../the-way-to-go/eBook/13.2.html">
  
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                    运行时异常和 panic
            
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<li class="chapter " data-level="1.2.4.2.3" data-path="../../the-way-to-go/eBook/13.3.html">
  
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                    从 panic 中恢复（Recover）
            
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</li>

<li class="chapter " data-level="1.2.4.2.4" data-path="../../the-way-to-go/eBook/13.4.html">
  
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                    自定义包中的错误处理和 panicking
            
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</li>

<li class="chapter " data-level="1.2.4.2.5" data-path="../../the-way-to-go/eBook/13.5.html">
  
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                    一种用闭包处理错误的模式
            
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<li class="chapter " data-level="1.2.4.2.6" data-path="../../the-way-to-go/eBook/13.6.html">
  
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                    启动外部命令和程序
            
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<li class="chapter " data-level="1.2.4.2.7" data-path="../../the-way-to-go/eBook/13.7.html">
  
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                    Go 中的单元测试和基准测试
            
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<li class="chapter " data-level="1.2.4.2.8" data-path="../../the-way-to-go/eBook/13.8.html">
  
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                    测试的具体例子
            
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<li class="chapter " data-level="1.2.4.2.9" data-path="../../the-way-to-go/eBook/13.9.html">
  
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                    用（测试数据）表驱动测试
            
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<li class="chapter " data-level="1.2.4.2.10" data-path="../../the-way-to-go/eBook/13.10.html">
  
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                    性能调试：分析并优化 Go 程序
            
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</li>


    </ul>
    
</li>


    </ul>
    
</li>


    </ul>
    
</li>

<li class="chapter " data-level="1.3" data-path="../../gopl/">
  
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                    Go语言圣经
            
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<li class="chapter " data-level="1.3.1" data-path="../../gopl/preface.html">
  
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                    前言
            
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<li class="chapter " data-level="1.3.1.1" data-path="../../gopl/ch0/ch0-01.html">
  
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                    Go语言起源
            
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<li class="chapter " data-level="1.3.1.2" data-path="../../gopl/ch0/ch0-02.html">
  
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                    Go语言项目
            
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<li class="chapter " data-level="1.3.1.3" data-path="../../gopl/ch0/ch0-03.html">
  
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                    本书的组织
            
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<li class="chapter " data-level="1.3.1.4" data-path="../../gopl/ch0/ch0-04.html">
  
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                    更多的信息
            
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<li class="chapter " data-level="1.3.1.5" data-path="../../gopl/ch0/ch0-05.html">
  
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                    致谢
            
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<li class="chapter " data-level="1.3.2" data-path="../../gopl/ch1/ch1.html">
  
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                    入门
            
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<li class="chapter " data-level="1.3.2.1" data-path="../../gopl/ch1/ch1-01.html">
  
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                    Hello, World
            
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<li class="chapter " data-level="1.3.2.2" data-path="../../gopl/ch1/ch1-02.html">
  
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                    命令行参数
            
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<li class="chapter " data-level="1.3.2.3" data-path="../../gopl/ch1/ch1-03.html">
  
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                    查找重复的行
            
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<li class="chapter " data-level="1.3.2.4" data-path="../../gopl/ch1/ch1-04.html">
  
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                    GIF动画
            
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<li class="chapter " data-level="1.3.2.5" data-path="../../gopl/ch1/ch1-05.html">
  
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                    获取URL
            
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<li class="chapter " data-level="1.3.2.6" data-path="../../gopl/ch1/ch1-06.html">
  
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                    并发获取多个URL
            
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<li class="chapter " data-level="1.3.2.7" data-path="../../gopl/ch1/ch1-07.html">
  
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                    Web服务
            
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<li class="chapter " data-level="1.3.2.8" data-path="../../gopl/ch1/ch1-08.html">
  
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                    本章要点
            
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    </ul>
    
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<li class="chapter " data-level="1.3.3" data-path="../../gopl/ch2/ch2.html">
  
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                    程序结构
            
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<li class="chapter " data-level="1.3.3.1" data-path="../../gopl/ch2/ch2-01.html">
  
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                    命名
            
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<li class="chapter " data-level="1.3.3.2" data-path="../../gopl/ch2/ch2-02.html">
  
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                    声明
            
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<li class="chapter " data-level="1.3.3.3" data-path="../../gopl/ch2/ch2-03.html">
  
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                    变量
            
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<li class="chapter " data-level="1.3.3.4" data-path="../../gopl/ch2/ch2-04.html">
  
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                    赋值
            
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<li class="chapter " data-level="1.3.3.5" data-path="../../gopl/ch2/ch2-05.html">
  
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                    类型
            
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<li class="chapter " data-level="1.3.3.6" data-path="../../gopl/ch2/ch2-06.html">
  
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                    包和文件
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.3.7" data-path="../../gopl/ch2/ch2-07.html">
  
  <a href="../../gopl/ch2/ch2-07.html">
    
                    
                    作用域
            
    </a>
    

    
</li>


    </ul>
    
</li>

<li class="chapter " data-level="1.3.4" data-path="../../gopl/ch3/ch3.html">
  
  <a href="../../gopl/ch3/ch3.html">
    
                    
                    基础数据类型
            
    </a>
    

    
    <ul class="articles">
      

<li class="chapter " data-level="1.3.4.1" data-path="../../gopl/ch3/ch3-01.html">
  
  <a href="../../gopl/ch3/ch3-01.html">
    
                    
                    整型
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.4.2" data-path="../../gopl/ch3/ch3-02.html">
  
  <a href="../../gopl/ch3/ch3-02.html">
    
                    
                    浮点数
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.4.3" data-path="../../gopl/ch3/ch3-03.html">
  
  <a href="../../gopl/ch3/ch3-03.html">
    
                    
                    复数
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.4.4" data-path="../../gopl/ch3/ch3-04.html">
  
  <a href="../../gopl/ch3/ch3-04.html">
    
                    
                    布尔型
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.4.5" data-path="../../gopl/ch3/ch3-05.html">
  
  <a href="../../gopl/ch3/ch3-05.html">
    
                    
                    字符串
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.4.6" data-path="../../gopl/ch3/ch3-06.html">
  
  <a href="../../gopl/ch3/ch3-06.html">
    
                    
                    常量
            
    </a>
    

    
</li>


    </ul>
    
</li>

<li class="chapter " data-level="1.3.5" data-path="../../gopl/ch4/ch4.html">
  
  <a href="../../gopl/ch4/ch4.html">
    
                    
                    复合数据类型
            
    </a>
    

    
    <ul class="articles">
      

<li class="chapter " data-level="1.3.5.1" data-path="../../gopl/ch4/ch4-01.html">
  
  <a href="../../gopl/ch4/ch4-01.html">
    
                    
                    数组
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.5.2" data-path="../../gopl/ch4/ch4-02.html">
  
  <a href="../../gopl/ch4/ch4-02.html">
    
                    
                    Slice
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.5.3" data-path="../../gopl/ch4/ch4-03.html">
  
  <a href="../../gopl/ch4/ch4-03.html">
    
                    
                    Map
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.5.4" data-path="../../gopl/ch4/ch4-04.html">
  
  <a href="../../gopl/ch4/ch4-04.html">
    
                    
                    结构体
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.5.5" data-path="../../gopl/ch4/ch4-05.html">
  
  <a href="../../gopl/ch4/ch4-05.html">
    
                    
                    JSON
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.5.6" data-path="../../gopl/ch4/ch4-06.html">
  
  <a href="../../gopl/ch4/ch4-06.html">
    
                    
                    文本和HTML模板
            
    </a>
    

    
</li>


    </ul>
    
</li>

<li class="chapter " data-level="1.3.6" data-path="../../gopl/ch5/ch5.html">
  
  <a href="../../gopl/ch5/ch5.html">
    
                    
                    函数
            
    </a>
    

    
    <ul class="articles">
      

<li class="chapter " data-level="1.3.6.1" data-path="../../gopl/ch5/ch5-01.html">
  
  <a href="../../gopl/ch5/ch5-01.html">
    
                    
                    函数声明
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.6.2" data-path="../../gopl/ch5/ch5-02.html">
  
  <a href="../../gopl/ch5/ch5-02.html">
    
                    
                    递归
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.6.3" data-path="../../gopl/ch5/ch5-03.html">
  
  <a href="../../gopl/ch5/ch5-03.html">
    
                    
                    多返回值
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.6.4" data-path="../../gopl/ch5/ch5-04.html">
  
  <a href="../../gopl/ch5/ch5-04.html">
    
                    
                    错误
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.6.5" data-path="../../gopl/ch5/ch5-05.html">
  
  <a href="../../gopl/ch5/ch5-05.html">
    
                    
                    函数值
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.6.6" data-path="../../gopl/ch5/ch5-06.html">
  
  <a href="../../gopl/ch5/ch5-06.html">
    
                    
                    匿名函数
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.6.7" data-path="../../gopl/ch5/ch5-07.html">
  
  <a href="../../gopl/ch5/ch5-07.html">
    
                    
                    可变参数
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.6.8" data-path="../../gopl/ch5/ch5-08.html">
  
  <a href="../../gopl/ch5/ch5-08.html">
    
                    
                    Deferred函数
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.6.9" data-path="../../gopl/ch5/ch5-09.html">
  
  <a href="../../gopl/ch5/ch5-09.html">
    
                    
                    Panic异常
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.6.10" data-path="../../gopl/ch5/ch5-10.html">
  
  <a href="../../gopl/ch5/ch5-10.html">
    
                    
                    Recover捕获异常
            
    </a>
    

    
</li>


    </ul>
    
</li>

<li class="chapter " data-level="1.3.7" data-path="../../gopl/ch6/ch6.html">
  
  <a href="../../gopl/ch6/ch6.html">
    
                    
                    方法
            
    </a>
    

    
    <ul class="articles">
      

<li class="chapter " data-level="1.3.7.1" data-path="../../gopl/ch6/ch6-01.html">
  
  <a href="../../gopl/ch6/ch6-01.html">
    
                    
                    方法声明
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.7.2" data-path="../../gopl/ch6/ch6-02.html">
  
  <a href="../../gopl/ch6/ch6-02.html">
    
                    
                    基于指针对象的方法
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.7.3" data-path="../../gopl/ch6/ch6-03.html">
  
  <a href="../../gopl/ch6/ch6-03.html">
    
                    
                    通过嵌入结构体来扩展类型
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.7.4" data-path="../../gopl/ch6/ch6-04.html">
  
  <a href="../../gopl/ch6/ch6-04.html">
    
                    
                    方法值和方法表达式
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.7.5" data-path="../../gopl/ch6/ch6-05.html">
  
  <a href="../../gopl/ch6/ch6-05.html">
    
                    
                    示例: Bit数组
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.7.6" data-path="../../gopl/ch6/ch6-06.html">
  
  <a href="../../gopl/ch6/ch6-06.html">
    
                    
                    封装
            
    </a>
    

    
</li>


    </ul>
    
</li>

<li class="chapter " data-level="1.3.8" data-path="../../gopl/ch7/ch7.html">
  
  <a href="../../gopl/ch7/ch7.html">
    
                    
                    接口
            
    </a>
    

    
    <ul class="articles">
      

<li class="chapter " data-level="1.3.8.1" data-path="../../gopl/ch7/ch7-01.html">
  
  <a href="../../gopl/ch7/ch7-01.html">
    
                    
                    接口是合约
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.8.2" data-path="../../gopl/ch7/ch7-02.html">
  
  <a href="../../gopl/ch7/ch7-02.html">
    
                    
                    接口类型
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.8.3" data-path="../../gopl/ch7/ch7-03.html">
  
  <a href="../../gopl/ch7/ch7-03.html">
    
                    
                    实现接口的条件
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.8.4" data-path="../../gopl/ch7/ch7-04.html">
  
  <a href="../../gopl/ch7/ch7-04.html">
    
                    
                    flag.Value接口
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.8.5" data-path="../../gopl/ch7/ch7-05.html">
  
  <a href="../../gopl/ch7/ch7-05.html">
    
                    
                    接口值
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.8.6" data-path="../../gopl/ch7/ch7-06.html">
  
  <a href="../../gopl/ch7/ch7-06.html">
    
                    
                    sort.Interface接口
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.8.7" data-path="../../gopl/ch7/ch7-07.html">
  
  <a href="../../gopl/ch7/ch7-07.html">
    
                    
                    http.Handler接口
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.8.8" data-path="../../gopl/ch7/ch7-08.html">
  
  <a href="../../gopl/ch7/ch7-08.html">
    
                    
                    error接口
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.8.9" data-path="../../gopl/ch7/ch7-09.html">
  
  <a href="../../gopl/ch7/ch7-09.html">
    
                    
                    示例: 表达式求值
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.8.10" data-path="../../gopl/ch7/ch7-10.html">
  
  <a href="../../gopl/ch7/ch7-10.html">
    
                    
                    类型断言
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.8.11" data-path="../../gopl/ch7/ch7-11.html">
  
  <a href="../../gopl/ch7/ch7-11.html">
    
                    
                    基于类型断言识别错误类型
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.8.12" data-path="../../gopl/ch7/ch7-12.html">
  
  <a href="../../gopl/ch7/ch7-12.html">
    
                    
                    通过类型断言查询接口
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.8.13" data-path="../../gopl/ch7/ch7-13.html">
  
  <a href="../../gopl/ch7/ch7-13.html">
    
                    
                    类型分支
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.8.14" data-path="../../gopl/ch7/ch7-14.html">
  
  <a href="../../gopl/ch7/ch7-14.html">
    
                    
                    示例: 基于标记的XML解码
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.8.15" data-path="../../gopl/ch7/ch7-15.html">
  
  <a href="../../gopl/ch7/ch7-15.html">
    
                    
                    补充几点
            
    </a>
    

    
</li>


    </ul>
    
</li>

<li class="chapter " data-level="1.3.9" data-path="../../gopl/ch8/ch8.html">
  
  <a href="../../gopl/ch8/ch8.html">
    
                    
                    Goroutines和Channels
            
    </a>
    

    
    <ul class="articles">
      

<li class="chapter " data-level="1.3.9.1" data-path="../../gopl/ch8/ch8-01.html">
  
  <a href="../../gopl/ch8/ch8-01.html">
    
                    
                    Goroutines
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.9.2" data-path="../../gopl/ch8/ch8-02.html">
  
  <a href="../../gopl/ch8/ch8-02.html">
    
                    
                    示例: 并发的Clock服务
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.9.3" data-path="../../gopl/ch8/ch8-03.html">
  
  <a href="../../gopl/ch8/ch8-03.html">
    
                    
                    示例: 并发的Echo服务
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.9.4" data-path="../../gopl/ch8/ch8-04.html">
  
  <a href="../../gopl/ch8/ch8-04.html">
    
                    
                    Channels
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.9.5" data-path="../../gopl/ch8/ch8-05.html">
  
  <a href="../../gopl/ch8/ch8-05.html">
    
                    
                    并发的循环
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.9.6" data-path="../../gopl/ch8/ch8-06.html">
  
  <a href="../../gopl/ch8/ch8-06.html">
    
                    
                    示例: 并发的Web爬虫
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.9.7" data-path="../../gopl/ch8/ch8-07.html">
  
  <a href="../../gopl/ch8/ch8-07.html">
    
                    
                    基于select的多路复用
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.9.8" data-path="../../gopl/ch8/ch8-08.html">
  
  <a href="../../gopl/ch8/ch8-08.html">
    
                    
                    示例: 并发的目录遍历
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.9.9" data-path="../../gopl/ch8/ch8-09.html">
  
  <a href="../../gopl/ch8/ch8-09.html">
    
                    
                    并发的退出
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.9.10" data-path="../../gopl/ch8/ch8-10.html">
  
  <a href="../../gopl/ch8/ch8-10.html">
    
                    
                    示例: 聊天服务
            
    </a>
    

    
</li>


    </ul>
    
</li>

<li class="chapter " data-level="1.3.10" data-path="../../gopl/ch9/ch9.html">
  
  <a href="../../gopl/ch9/ch9.html">
    
                    
                    基于共享变量的并发
            
    </a>
    

    
    <ul class="articles">
      

<li class="chapter " data-level="1.3.10.1" data-path="../../gopl/ch9/ch9-01.html">
  
  <a href="../../gopl/ch9/ch9-01.html">
    
                    
                    竞争条件
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.10.2" data-path="../../gopl/ch9/ch9-02.html">
  
  <a href="../../gopl/ch9/ch9-02.html">
    
                    
                    sync.Mutex互斥锁
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.10.3" data-path="../../gopl/ch9/ch9-03.html">
  
  <a href="../../gopl/ch9/ch9-03.html">
    
                    
                    sync.RWMutex读写锁
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.10.4" data-path="../../gopl/ch9/ch9-04.html">
  
  <a href="../../gopl/ch9/ch9-04.html">
    
                    
                    内存同步
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.10.5" data-path="../../gopl/ch9/ch9-05.html">
  
  <a href="../../gopl/ch9/ch9-05.html">
    
                    
                    sync.Once惰性初始化
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.10.6" data-path="../../gopl/ch9/ch9-06.html">
  
  <a href="../../gopl/ch9/ch9-06.html">
    
                    
                    竞争条件检测
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.10.7" data-path="../../gopl/ch9/ch9-07.html">
  
  <a href="../../gopl/ch9/ch9-07.html">
    
                    
                    示例: 并发的非阻塞缓存
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.10.8" data-path="../../gopl/ch9/ch9-08.html">
  
  <a href="../../gopl/ch9/ch9-08.html">
    
                    
                    Goroutines和线程
            
    </a>
    

    
</li>


    </ul>
    
</li>

<li class="chapter " data-level="1.3.11" data-path="../../gopl/ch10/ch10.html">
  
  <a href="../../gopl/ch10/ch10.html">
    
                    
                    包和工具
            
    </a>
    

    
    <ul class="articles">
      

<li class="chapter " data-level="1.3.11.1" data-path="../../gopl/ch10/ch10-01.html">
  
  <a href="../../gopl/ch10/ch10-01.html">
    
                    
                    包简介
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.11.2" data-path="../../gopl/ch10/ch10-02.html">
  
  <a href="../../gopl/ch10/ch10-02.html">
    
                    
                    导入路径
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.11.3" data-path="../../gopl/ch10/ch10-03.html">
  
  <a href="../../gopl/ch10/ch10-03.html">
    
                    
                    包声明
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.11.4" data-path="../../gopl/ch10/ch10-04.html">
  
  <a href="../../gopl/ch10/ch10-04.html">
    
                    
                    导入声明
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.11.5" data-path="../../gopl/ch10/ch10-05.html">
  
  <a href="../../gopl/ch10/ch10-05.html">
    
                    
                    包的匿名导入
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.11.6" data-path="../../gopl/ch10/ch10-06.html">
  
  <a href="../../gopl/ch10/ch10-06.html">
    
                    
                    包和命名
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.11.7" data-path="../../gopl/ch10/ch10-07.html">
  
  <a href="../../gopl/ch10/ch10-07.html">
    
                    
                    工具
            
    </a>
    

    
</li>


    </ul>
    
</li>

<li class="chapter " data-level="1.3.12" data-path="../../gopl/ch11/ch11.html">
  
  <a href="../../gopl/ch11/ch11.html">
    
                    
                    测试
            
    </a>
    

    
    <ul class="articles">
      

<li class="chapter " data-level="1.3.12.1" data-path="../../gopl/ch11/ch11-01.html">
  
  <a href="../../gopl/ch11/ch11-01.html">
    
                    
                    go test
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.12.2" data-path="../../gopl/ch11/ch11-02.html">
  
  <a href="../../gopl/ch11/ch11-02.html">
    
                    
                    测试函数
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.12.3" data-path="../../gopl/ch11/ch11-03.html">
  
  <a href="../../gopl/ch11/ch11-03.html">
    
                    
                    测试覆盖率
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.12.4" data-path="../../gopl/ch11/ch11-04.html">
  
  <a href="../../gopl/ch11/ch11-04.html">
    
                    
                    基准测试
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.12.5" data-path="../../gopl/ch11/ch11-05.html">
  
  <a href="../../gopl/ch11/ch11-05.html">
    
                    
                    剖析
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.12.6" data-path="../../gopl/ch11/ch11-06.html">
  
  <a href="../../gopl/ch11/ch11-06.html">
    
                    
                    示例函数
            
    </a>
    

    
</li>


    </ul>
    
</li>

<li class="chapter " data-level="1.3.13" data-path="../../gopl/ch12/ch12.html">
  
  <a href="../../gopl/ch12/ch12.html">
    
                    
                    反射
            
    </a>
    

    
    <ul class="articles">
      

<li class="chapter " data-level="1.3.13.1" data-path="../../gopl/ch12/ch12-01.html">
  
  <a href="../../gopl/ch12/ch12-01.html">
    
                    
                    为何需要反射?
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.13.2" data-path="../../gopl/ch12/ch12-02.html">
  
  <a href="../../gopl/ch12/ch12-02.html">
    
                    
                    reflect.Type和reflect.Value
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.13.3" data-path="../../gopl/ch12/ch12-03.html">
  
  <a href="../../gopl/ch12/ch12-03.html">
    
                    
                    Display递归打印
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.13.4" data-path="../../gopl/ch12/ch12-04.html">
  
  <a href="../../gopl/ch12/ch12-04.html">
    
                    
                    示例: 编码S表达式
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.13.5" data-path="../../gopl/ch12/ch12-05.html">
  
  <a href="../../gopl/ch12/ch12-05.html">
    
                    
                    通过reflect.Value修改值
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.13.6" data-path="../../gopl/ch12/ch12-06.html">
  
  <a href="../../gopl/ch12/ch12-06.html">
    
                    
                    示例: 解码S表达式
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.13.7" data-path="../../gopl/ch12/ch12-07.html">
  
  <a href="../../gopl/ch12/ch12-07.html">
    
                    
                    获取结构体字段标签
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.13.8" data-path="../../gopl/ch12/ch12-08.html">
  
  <a href="../../gopl/ch12/ch12-08.html">
    
                    
                    显示一个类型的方法集
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.13.9" data-path="../../gopl/ch12/ch12-09.html">
  
  <a href="../../gopl/ch12/ch12-09.html">
    
                    
                    几点忠告
            
    </a>
    

    
</li>


    </ul>
    
</li>

<li class="chapter " data-level="1.3.14" data-path="../../gopl/ch13/ch13.html">
  
  <a href="../../gopl/ch13/ch13.html">
    
                    
                    底层编程
            
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<li class="chapter " data-level="1.3.14.1" data-path="../../gopl/ch13/ch13-01.html">
  
  <a href="../../gopl/ch13/ch13-01.html">
    
                    
                    unsafe.Sizeof, Alignof 和 Offsetof
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.14.2" data-path="../../gopl/ch13/ch13-02.html">
  
  <a href="../../gopl/ch13/ch13-02.html">
    
                    
                    unsafe.Pointer
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.14.3" data-path="../../gopl/ch13/ch13-03.html">
  
  <a href="../../gopl/ch13/ch13-03.html">
    
                    
                    示例: 深度相等判断
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.14.4" data-path="../../gopl/ch13/ch13-04.html">
  
  <a href="../../gopl/ch13/ch13-04.html">
    
                    
                    通过cgo调用C代码
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.14.5" data-path="../../gopl/ch13/ch13-05.html">
  
  <a href="../../gopl/ch13/ch13-05.html">
    
                    
                    几点忠告
            
    </a>
    

    
</li>


    </ul>
    
</li>

<li class="chapter " data-level="1.3.15" data-path="../../gopl/appendix/appendix.html">
  
  <a href="../../gopl/appendix/appendix.html">
    
                    
                    附录
            
    </a>
    

    
    <ul class="articles">
      

<li class="chapter " data-level="1.3.15.1" data-path="../../gopl/appendix/appendix-a-errata.html">
  
  <a href="../../gopl/appendix/appendix-a-errata.html">
    
                    
                    附录A：原文勘误
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.15.2" data-path="../../gopl/appendix/appendix-b-author.html">
  
  <a href="../../gopl/appendix/appendix-b-author.html">
    
                    
                    附录B：作者译者
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.15.3" data-path="../../gopl/appendix/appendix-c-cpoyright.html">
  
  <a href="../../gopl/appendix/appendix-c-cpoyright.html">
    
                    
                    附录C：译文授权
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.3.15.4" data-path="../../gopl/appendix/appendix-d-translations.html">
  
  <a href="../../gopl/appendix/appendix-d-translations.html">
    
                    
                    附录D：其它语言
            
    </a>
    

    
</li>


    </ul>
    
</li>


    </ul>
    
</li>

<li class="chapter " data-level="1.4" data-path="../../build-web-application-with-golang/">
  
  <a href="../../build-web-application-with-golang/">
    
                    
                    Go Web 编程
            
    </a>
    

    
    <ul class="articles">
      

<li class="chapter " data-level="1.4.1" data-path="../../build-web-application-with-golang/01.0.html">
  
  <a href="../../build-web-application-with-golang/01.0.html">
    
                    
                    Go环境配置
            
    </a>
    

    
    <ul class="articles">
      

<li class="chapter " data-level="1.4.1.1" data-path="../../build-web-application-with-golang/01.1.html">
  
  <a href="../../build-web-application-with-golang/01.1.html">
    
                    
                    Go安装
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.4.1.2" data-path="../../build-web-application-with-golang/01.2.html">
  
  <a href="../../build-web-application-with-golang/01.2.html">
    
                    
                    GOPATH 与工作空间
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.4.1.3" data-path="../../build-web-application-with-golang/01.3.html">
  
  <a href="../../build-web-application-with-golang/01.3.html">
    
                    
                    Go 命令
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.4.1.4" data-path="../../build-web-application-with-golang/01.4.html">
  
  <a href="../../build-web-application-with-golang/01.4.html">
    
                    
                    Go开发工具
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.4.1.5" data-path="../../build-web-application-with-golang/01.5.html">
  
  <a href="../../build-web-application-with-golang/01.5.html">
    
                    
                    小结
            
    </a>
    

    
</li>


    </ul>
    
</li>

<li class="chapter " data-level="1.4.2" data-path="../../build-web-application-with-golang/02.0.html">
  
  <a href="../../build-web-application-with-golang/02.0.html">
    
                    
                    Go语言基础
            
    </a>
    

    
    <ul class="articles">
      

<li class="chapter " data-level="1.4.2.1" data-path="../../build-web-application-with-golang/02.1.html">
  
  <a href="../../build-web-application-with-golang/02.1.html">
    
                    
                    你好，Go
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.4.2.2" data-path="../../build-web-application-with-golang/02.2.html">
  
  <a href="../../build-web-application-with-golang/02.2.html">
    
                    
                    Go基础
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.4.2.3" data-path="../../build-web-application-with-golang/02.3.html">
  
  <a href="../../build-web-application-with-golang/02.3.html">
    
                    
                    流程和函数
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.4.2.4" data-path="../../build-web-application-with-golang/02.4.html">
  
  <a href="../../build-web-application-with-golang/02.4.html">
    
                    
                    struct
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.4.2.5" data-path="../../build-web-application-with-golang/02.5.html">
  
  <a href="../../build-web-application-with-golang/02.5.html">
    
                    
                    面向对象
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.4.2.6" data-path="../../build-web-application-with-golang/02.6.html">
  
  <a href="../../build-web-application-with-golang/02.6.html">
    
                    
                    interface
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.4.2.7" data-path="../../build-web-application-with-golang/02.7.html">
  
  <a href="../../build-web-application-with-golang/02.7.html">
    
                    
                    并发
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.4.2.8" data-path="../../build-web-application-with-golang/02.8.html">
  
  <a href="../../build-web-application-with-golang/02.8.html">
    
                    
                    小结
            
    </a>
    

    
</li>


    </ul>
    
</li>

<li class="chapter " data-level="1.4.3" data-path="../../build-web-application-with-golang/03.0.html">
  
  <a href="../../build-web-application-with-golang/03.0.html">
    
                    
                    Web基础
            
    </a>
    

    
    <ul class="articles">
      

<li class="chapter " data-level="1.4.3.1" data-path="../../build-web-application-with-golang/03.1.html">
  
  <a href="../../build-web-application-with-golang/03.1.html">
    
                    
                    web工作方式
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.4.3.2" data-path="../../build-web-application-with-golang/03.2.html">
  
  <a href="../../build-web-application-with-golang/03.2.html">
    
                    
                    Go搭建一个简单的web服务
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.4.3.3" data-path="../../build-web-application-with-golang/03.3.html">
  
  <a href="../../build-web-application-with-golang/03.3.html">
    
                    
                    Go如何使得web工作
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.4.3.4" data-path="../../build-web-application-with-golang/03.4.html">
  
  <a href="../../build-web-application-with-golang/03.4.html">
    
                    
                    Go的http包详解
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.4.3.5" data-path="../../build-web-application-with-golang/03.5.html">
  
  <a href="../../build-web-application-with-golang/03.5.html">
    
                    
                    小结
            
    </a>
    

    
</li>


    </ul>
    
</li>

<li class="chapter " data-level="1.4.4" data-path="../../build-web-application-with-golang/04.0.html">
  
  <a href="../../build-web-application-with-golang/04.0.html">
    
                    
                    表单
            
    </a>
    

    
    <ul class="articles">
      

<li class="chapter " data-level="1.4.4.1" data-path="../../build-web-application-with-golang/04.1.html">
  
  <a href="../../build-web-application-with-golang/04.1.html">
    
                    
                    处理表单的输入
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.4.4.2" data-path="../../build-web-application-with-golang/04.2.html">
  
  <a href="../../build-web-application-with-golang/04.2.html">
    
                    
                    验证表单的输入
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.4.4.3" data-path="../../build-web-application-with-golang/04.3.html">
  
  <a href="../../build-web-application-with-golang/04.3.html">
    
                    
                    预防跨站脚本
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.4.4.4" data-path="../../build-web-application-with-golang/04.4.html">
  
  <a href="../../build-web-application-with-golang/04.4.html">
    
                    
                    防止多次递交表单
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.4.4.5" data-path="../../build-web-application-with-golang/04.5.html">
  
  <a href="../../build-web-application-with-golang/04.5.html">
    
                    
                    处理文件上传
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.4.4.6" data-path="../../build-web-application-with-golang/04.6.html">
  
  <a href="../../build-web-application-with-golang/04.6.html">
    
                    
                    小结
            
    </a>
    

    
</li>


    </ul>
    
</li>

<li class="chapter " data-level="1.4.5" data-path="../../build-web-application-with-golang/05.0.html">
  
  <a href="../../build-web-application-with-golang/05.0.html">
    
                    
                    访问数据库
            
    </a>
    

    
    <ul class="articles">
      

<li class="chapter " data-level="1.4.5.1" data-path="../../build-web-application-with-golang/05.1.html">
  
  <a href="../../build-web-application-with-golang/05.1.html">
    
                    
                    database/sql接口
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.4.5.2" data-path="../../build-web-application-with-golang/05.2.html">
  
  <a href="../../build-web-application-with-golang/05.2.html">
    
                    
                    使用MySQL数据库
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.4.5.3" data-path="../../build-web-application-with-golang/05.3.html">
  
  <a href="../../build-web-application-with-golang/05.3.html">
    
                    
                    使用SQLite数据库
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.4.5.4" data-path="../../build-web-application-with-golang/05.4.html">
  
  <a href="../../build-web-application-with-golang/05.4.html">
    
                    
                    使用PostgreSQL数据库
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.4.5.5" data-path="../../build-web-application-with-golang/05.5.html">
  
  <a href="../../build-web-application-with-golang/05.5.html">
    
                    
                    使用beedb库进行ORM开发
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.4.5.6" data-path="../../build-web-application-with-golang/05.6.html">
  
  <a href="../../build-web-application-with-golang/05.6.html">
    
                    
                    NOSQL数据库操作
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.4.5.7" data-path="../../build-web-application-with-golang/05.7.html">
  
  <a href="../../build-web-application-with-golang/05.7.html">
    
                    
                    小结
            
    </a>
    

    
</li>


    </ul>
    
</li>

<li class="chapter " data-level="1.4.6" data-path="../../build-web-application-with-golang/06.0.html">
  
  <a href="../../build-web-application-with-golang/06.0.html">
    
                    
                    session和数据存储
            
    </a>
    

    
    <ul class="articles">
      

<li class="chapter " data-level="1.4.6.1" data-path="../../build-web-application-with-golang/06.1.html">
  
  <a href="../../build-web-application-with-golang/06.1.html">
    
                    
                    session和cookie
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.4.6.2" data-path="../../build-web-application-with-golang/06.2.html">
  
  <a href="../../build-web-application-with-golang/06.2.html">
    
                    
                    Go如何使用session
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.4.6.3" data-path="../../build-web-application-with-golang/06.3.html">
  
  <a href="../../build-web-application-with-golang/06.3.html">
    
                    
                    session存储
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.4.6.4" data-path="../../build-web-application-with-golang/06.4.html">
  
  <a href="../../build-web-application-with-golang/06.4.html">
    
                    
                    预防session劫持
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.4.6.5" data-path="../../build-web-application-with-golang/06.5.html">
  
  <a href="../../build-web-application-with-golang/06.5.html">
    
                    
                    小结
            
    </a>
    

    
</li>


    </ul>
    
</li>

<li class="chapter " data-level="1.4.7" data-path="../../build-web-application-with-golang/07.0.html">
  
  <a href="../../build-web-application-with-golang/07.0.html">
    
                    
                    文本文件处理
            
    </a>
    

    
    <ul class="articles">
      

<li class="chapter " data-level="1.4.7.1" data-path="../../build-web-application-with-golang/07.1.html">
  
  <a href="../../build-web-application-with-golang/07.1.html">
    
                    
                    XML处理
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.4.7.2" data-path="../../build-web-application-with-golang/07.2.html">
  
  <a href="../../build-web-application-with-golang/07.2.html">
    
                    
                    JSON处理
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.4.7.3" data-path="../../build-web-application-with-golang/07.3.html">
  
  <a href="../../build-web-application-with-golang/07.3.html">
    
                    
                    正则处理
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.4.7.4" data-path="../../build-web-application-with-golang/07.4.html">
  
  <a href="../../build-web-application-with-golang/07.4.html">
    
                    
                    模板处理
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.4.7.5" data-path="../../build-web-application-with-golang/07.5.html">
  
  <a href="../../build-web-application-with-golang/07.5.html">
    
                    
                    文件操作
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.4.7.6" data-path="../../build-web-application-with-golang/07.6.html">
  
  <a href="../../build-web-application-with-golang/07.6.html">
    
                    
                    字符串处理
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.4.7.7" data-path="../../build-web-application-with-golang/07.7.html">
  
  <a href="../../build-web-application-with-golang/07.7.html">
    
                    
                    小结
            
    </a>
    

    
</li>


    </ul>
    
</li>

<li class="chapter " data-level="1.4.8" data-path="../../build-web-application-with-golang/08.0.html">
  
  <a href="../../build-web-application-with-golang/08.0.html">
    
                    
                    Web服务
            
    </a>
    

    
    <ul class="articles">
      

<li class="chapter " data-level="1.4.8.1" data-path="../../build-web-application-with-golang/08.1.html">
  
  <a href="../../build-web-application-with-golang/08.1.html">
    
                    
                    Socket编程
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.4.8.2" data-path="../../build-web-application-with-golang/08.2.html">
  
  <a href="../../build-web-application-with-golang/08.2.html">
    
                    
                    WebSocket
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.4.8.3" data-path="../../build-web-application-with-golang/08.3.html">
  
  <a href="../../build-web-application-with-golang/08.3.html">
    
                    
                    REST
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.4.8.4" data-path="../../build-web-application-with-golang/08.4.html">
  
  <a href="../../build-web-application-with-golang/08.4.html">
    
                    
                    RPC
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.4.8.5" data-path="../../build-web-application-with-golang/08.5.html">
  
  <a href="../../build-web-application-with-golang/08.5.html">
    
                    
                    小结
            
    </a>
    

    
</li>


    </ul>
    
</li>

<li class="chapter " data-level="1.4.9" data-path="../../build-web-application-with-golang/09.0.html">
  
  <a href="../../build-web-application-with-golang/09.0.html">
    
                    
                    安全与加密
            
    </a>
    

    
    <ul class="articles">
      

<li class="chapter " data-level="1.4.9.1" data-path="../../build-web-application-with-golang/09.1.html">
  
  <a href="../../build-web-application-with-golang/09.1.html">
    
                    
                    预防CSRF攻击
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.4.9.2" data-path="../../build-web-application-with-golang/09.2.html">
  
  <a href="../../build-web-application-with-golang/09.2.html">
    
                    
                    确保输入过滤
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.4.9.3" data-path="../../build-web-application-with-golang/09.3.html">
  
  <a href="../../build-web-application-with-golang/09.3.html">
    
                    
                    避免XSS攻击
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.4.9.4" data-path="../../build-web-application-with-golang/09.4.html">
  
  <a href="../../build-web-application-with-golang/09.4.html">
    
                    
                    避免SQL注入
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.4.9.5" data-path="../../build-web-application-with-golang/09.5.html">
  
  <a href="../../build-web-application-with-golang/09.5.html">
    
                    
                    存储密码
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.4.9.6" data-path="../../build-web-application-with-golang/09.6.html">
  
  <a href="../../build-web-application-with-golang/09.6.html">
    
                    
                    加密和解密数据
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.4.9.7" data-path="../../build-web-application-with-golang/09.7.html">
  
  <a href="../../build-web-application-with-golang/09.7.html">
    
                    
                    小结
            
    </a>
    

    
</li>


    </ul>
    
</li>

<li class="chapter " data-level="1.4.10" data-path="../../build-web-application-with-golang/10.0.html">
  
  <a href="../../build-web-application-with-golang/10.0.html">
    
                    
                    国际化和本地化
            
    </a>
    

    
    <ul class="articles">
      

<li class="chapter " data-level="1.4.10.1" data-path="../../build-web-application-with-golang/10.1.html">
  
  <a href="../../build-web-application-with-golang/10.1.html">
    
                    
                    设置默认地区
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.4.10.2" data-path="../../build-web-application-with-golang/10.2.html">
  
  <a href="../../build-web-application-with-golang/10.2.html">
    
                    
                    本地化资源
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.4.10.3" data-path="../../build-web-application-with-golang/10.3.html">
  
  <a href="../../build-web-application-with-golang/10.3.html">
    
                    
                    国际化站点
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.4.10.4" data-path="../../build-web-application-with-golang/10.4.html">
  
  <a href="../../build-web-application-with-golang/10.4.html">
    
                    
                    小结
            
    </a>
    

    
</li>


    </ul>
    
</li>

<li class="chapter " data-level="1.4.11" data-path="../../build-web-application-with-golang/11.0.html">
  
  <a href="../../build-web-application-with-golang/11.0.html">
    
                    
                    错误处理，调试和测试
            
    </a>
    

    
    <ul class="articles">
      

<li class="chapter " data-level="1.4.11.1" data-path="../../build-web-application-with-golang/11.1.html">
  
  <a href="../../build-web-application-with-golang/11.1.html">
    
                    
                    错误处理
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.4.11.2" data-path="../../build-web-application-with-golang/11.2.html">
  
  <a href="../../build-web-application-with-golang/11.2.html">
    
                    
                    使用GDB调试
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.4.11.3" data-path="../../build-web-application-with-golang/11.3.html">
  
  <a href="../../build-web-application-with-golang/11.3.html">
    
                    
                    Go怎么写测试用例
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.4.11.4" data-path="../../build-web-application-with-golang/11.4.html">
  
  <a href="../../build-web-application-with-golang/11.4.html">
    
                    
                    小结
            
    </a>
    

    
</li>


    </ul>
    
</li>

<li class="chapter " data-level="1.4.12" data-path="../../build-web-application-with-golang/12.0.html">
  
  <a href="../../build-web-application-with-golang/12.0.html">
    
                    
                    部署与维护
            
    </a>
    

    
    <ul class="articles">
      

<li class="chapter " data-level="1.4.12.1" data-path="../../build-web-application-with-golang/12.1.html">
  
  <a href="../../build-web-application-with-golang/12.1.html">
    
                    
                    应用日志
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.4.12.2" data-path="../../build-web-application-with-golang/12.2.html">
  
  <a href="../../build-web-application-with-golang/12.2.html">
    
                    
                    网站错误处理
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.4.12.3" data-path="../../build-web-application-with-golang/12.3.html">
  
  <a href="../../build-web-application-with-golang/12.3.html">
    
                    
                    应用部署
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.4.12.4" data-path="../../build-web-application-with-golang/12.4.html">
  
  <a href="../../build-web-application-with-golang/12.4.html">
    
                    
                    备份和恢复
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.4.12.5" data-path="../../build-web-application-with-golang/12.5.html">
  
  <a href="../../build-web-application-with-golang/12.5.html">
    
                    
                    小结
            
    </a>
    

    
</li>


    </ul>
    
</li>

<li class="chapter " data-level="1.4.13" data-path="../../build-web-application-with-golang/13.0.html">
  
  <a href="../../build-web-application-with-golang/13.0.html">
    
                    
                    如何设计一个Web框架
            
    </a>
    

    
    <ul class="articles">
      

<li class="chapter " data-level="1.4.13.1" data-path="../../build-web-application-with-golang/13.1.html">
  
  <a href="../../build-web-application-with-golang/13.1.html">
    
                    
                    项目规划
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.4.13.2" data-path="../../build-web-application-with-golang/13.2.html">
  
  <a href="../../build-web-application-with-golang/13.2.html">
    
                    
                    自定义路由器设计
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.4.13.3" data-path="../../build-web-application-with-golang/13.3.html">
  
  <a href="../../build-web-application-with-golang/13.3.html">
    
                    
                    controller设计
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.4.13.4" data-path="../../build-web-application-with-golang/13.4.html">
  
  <a href="../../build-web-application-with-golang/13.4.html">
    
                    
                    日志和配置设计
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.4.13.5" data-path="../../build-web-application-with-golang/13.5.html">
  
  <a href="../../build-web-application-with-golang/13.5.html">
    
                    
                    实现博客的增删改
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.4.13.6" data-path="../../build-web-application-with-golang/13.6.html">
  
  <a href="../../build-web-application-with-golang/13.6.html">
    
                    
                    小结
            
    </a>
    

    
</li>


    </ul>
    
</li>

<li class="chapter " data-level="1.4.14" data-path="../../build-web-application-with-golang/14.0.html">
  
  <a href="../../build-web-application-with-golang/14.0.html">
    
                    
                    扩展Web框架
            
    </a>
    

    
    <ul class="articles">
      

<li class="chapter " data-level="1.4.14.1" data-path="../../build-web-application-with-golang/14.1.html">
  
  <a href="../../build-web-application-with-golang/14.1.html">
    
                    
                    静态文件支持
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.4.14.2" data-path="../../build-web-application-with-golang/14.2.html">
  
  <a href="../../build-web-application-with-golang/14.2.html">
    
                    
                    Session支持
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.4.14.3" data-path="../../build-web-application-with-golang/14.3.html">
  
  <a href="../../build-web-application-with-golang/14.3.html">
    
                    
                    表单支持
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.4.14.4" data-path="../../build-web-application-with-golang/14.4.html">
  
  <a href="../../build-web-application-with-golang/14.4.html">
    
                    
                    用户认证
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.4.14.5" data-path="../../build-web-application-with-golang/14.5.html">
  
  <a href="../../build-web-application-with-golang/14.5.html">
    
                    
                    多语言支持
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.4.14.6" data-path="../../build-web-application-with-golang/14.6.html">
  
  <a href="../../build-web-application-with-golang/14.6.html">
    
                    
                    pprof支持
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.4.14.7" data-path="../../build-web-application-with-golang/14.7.html">
  
  <a href="../../build-web-application-with-golang/14.7.html">
    
                    
                    小结
            
    </a>
    

    
</li>


    </ul>
    
</li>

<li class="chapter " data-level="1.4.15" data-path="../../build-web-application-with-golang/ref.html">
  
  <a href="../../build-web-application-with-golang/ref.html">
    
                    
                    参考资料
            
    </a>
    

    
</li>


    </ul>
    
</li>

<li class="chapter " data-level="1.5" data-path="../">
  
  <a href="../">
    
                    
                    Go语言高级编程
            
    </a>
    

    
    <ul class="articles">
      

<li class="chapter " data-level="1.5.1" data-path="../ch1-basic/readme.html">
  
  <a href="../ch1-basic/readme.html">
    
                    
                    第1章 语言基础
            
    </a>
    

    
    <ul class="articles">
      

<li class="chapter " data-level="1.5.1.1" data-path="../ch1-basic/ch1-01-genesis.html">
  
  <a href="../ch1-basic/ch1-01-genesis.html">
    
                    
                    1.1 Go语言创世纪
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.5.1.2" data-path="../ch1-basic/ch1-02-hello-revolution.html">
  
  <a href="../ch1-basic/ch1-02-hello-revolution.html">
    
                    
                    1.2 Hello, World 的革命
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.5.1.3" data-path="../ch1-basic/ch1-03-array-string-and-slice.html">
  
  <a href="../ch1-basic/ch1-03-array-string-and-slice.html">
    
                    
                    1.3 数组、字符串和切片
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.5.1.4" data-path="../ch1-basic/ch1-04-func-method-interface.html">
  
  <a href="../ch1-basic/ch1-04-func-method-interface.html">
    
                    
                    1.4 函数、方法和接口
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.5.1.5" data-path="../ch1-basic/ch1-05-mem.html">
  
  <a href="../ch1-basic/ch1-05-mem.html">
    
                    
                    1.5 面向并发的内存模型
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.5.1.6" data-path="../ch1-basic/ch1-06-goroutine.html">
  
  <a href="../ch1-basic/ch1-06-goroutine.html">
    
                    
                    1.6 常见的并发模式
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.5.1.7" data-path="../ch1-basic/ch1-07-error-and-panic.html">
  
  <a href="../ch1-basic/ch1-07-error-and-panic.html">
    
                    
                    1.7 错误和异常
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.5.1.8" data-path="../ch1-basic/ch1-08-ext.html">
  
  <a href="../ch1-basic/ch1-08-ext.html">
    
                    
                    1.8 补充说明
            
    </a>
    

    
</li>


    </ul>
    
</li>

<li class="chapter " data-level="1.5.2" data-path="../ch2-cgo/readme.html">
  
  <a href="../ch2-cgo/readme.html">
    
                    
                    第2章 CGO编程
            
    </a>
    

    
    <ul class="articles">
      

<li class="chapter " data-level="1.5.2.1" data-path="../ch2-cgo/ch2-01-hello-cgo.html">
  
  <a href="../ch2-cgo/ch2-01-hello-cgo.html">
    
                    
                    2.1 快速入门
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.5.2.2" data-path="../ch2-cgo/ch2-02-basic.html">
  
  <a href="../ch2-cgo/ch2-02-basic.html">
    
                    
                    2.2 CGO基础
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.5.2.3" data-path="../ch2-cgo/ch2-03-cgo-types.html">
  
  <a href="../ch2-cgo/ch2-03-cgo-types.html">
    
                    
                    2.3 类型转换
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.5.2.4" data-path="../ch2-cgo/ch2-04-func.html">
  
  <a href="../ch2-cgo/ch2-04-func.html">
    
                    
                    2.4 函数调用
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.5.2.5" data-path="../ch2-cgo/ch2-05-internal.html">
  
  <a href="../ch2-cgo/ch2-05-internal.html">
    
                    
                    2.5 内部机制
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.5.2.6" data-path="../ch2-cgo/ch2-06-qsort.html">
  
  <a href="../ch2-cgo/ch2-06-qsort.html">
    
                    
                    2.6 实战: 封装qsort
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.5.2.7" data-path="../ch2-cgo/ch2-07-memory.html">
  
  <a href="../ch2-cgo/ch2-07-memory.html">
    
                    
                    2.7 CGO内存模型
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.5.2.8" data-path="../ch2-cgo/ch2-08-class.html">
  
  <a href="../ch2-cgo/ch2-08-class.html">
    
                    
                    2.8 C++类包装
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.5.2.9" data-path="../ch2-cgo/ch2-09-static-shared-lib.html">
  
  <a href="../ch2-cgo/ch2-09-static-shared-lib.html">
    
                    
                    2.9 静态库和动态库
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.5.2.10" data-path="../ch2-cgo/ch2-10-link.html">
  
  <a href="../ch2-cgo/ch2-10-link.html">
    
                    
                    2.10 编译和链接参数
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.5.2.11" data-path="../ch2-cgo/ch2-11-ext.html">
  
  <a href="../ch2-cgo/ch2-11-ext.html">
    
                    
                    2.11 补充说明
            
    </a>
    

    
</li>


    </ul>
    
</li>

<li class="chapter " data-level="1.5.3" data-path="../ch3-asm/readme.html">
  
  <a href="../ch3-asm/readme.html">
    
                    
                    第3章 汇编语言
            
    </a>
    

    
    <ul class="articles">
      

<li class="chapter " data-level="1.5.3.1" data-path="../ch3-asm/ch3-01-basic.html">
  
  <a href="../ch3-asm/ch3-01-basic.html">
    
                    
                    3.1 快速入门
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.5.3.2" data-path="../ch3-asm/ch3-02-arch.html">
  
  <a href="../ch3-asm/ch3-02-arch.html">
    
                    
                    3.2 计算机结构
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.5.3.3" data-path="../ch3-asm/ch3-03-const-and-var.html">
  
  <a href="../ch3-asm/ch3-03-const-and-var.html">
    
                    
                    3.3 常量和全局变量
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.5.3.4" data-path="../ch3-asm/ch3-04-func.html">
  
  <a href="../ch3-asm/ch3-04-func.html">
    
                    
                    3.4 函数
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.5.3.5" data-path="../ch3-asm/ch3-05-control-flow.html">
  
  <a href="../ch3-asm/ch3-05-control-flow.html">
    
                    
                    3.5 控制流
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.5.3.6" data-path="../ch3-asm/ch3-06-func-again.html">
  
  <a href="../ch3-asm/ch3-06-func-again.html">
    
                    
                    3.6 再论函数
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.5.3.7" data-path="../ch3-asm/ch3-07-hack-asm.html">
  
  <a href="../ch3-asm/ch3-07-hack-asm.html">
    
                    
                    3.7 汇编语言的威力
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.5.3.8" data-path="../ch3-asm/ch3-08-goroutine-id.html">
  
  <a href="../ch3-asm/ch3-08-goroutine-id.html">
    
                    
                    3.8 例子：Goroutine ID
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.5.3.9" data-path="../ch3-asm/ch3-09-debug.html">
  
  <a href="../ch3-asm/ch3-09-debug.html">
    
                    
                    3.9 Delve调试器
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.5.3.10" data-path="../ch3-asm/ch3-10-ext.html">
  
  <a href="../ch3-asm/ch3-10-ext.html">
    
                    
                    3.10 补充说明
            
    </a>
    

    
</li>


    </ul>
    
</li>

<li class="chapter " data-level="1.5.4" data-path="../ch4-rpc/readme.html">
  
  <a href="../ch4-rpc/readme.html">
    
                    
                    第4章 RPC和Protobuf
            
    </a>
    

    
    <ul class="articles">
      

<li class="chapter " data-level="1.5.4.1" data-path="../ch4-rpc/ch4-01-rpc-intro.html">
  
  <a href="../ch4-rpc/ch4-01-rpc-intro.html">
    
                    
                    4.1 RPC入门
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.5.4.2" data-path="../ch4-rpc/ch4-02-pb-intro.html">
  
  <a href="../ch4-rpc/ch4-02-pb-intro.html">
    
                    
                    4.2 Protobuf
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.5.4.3" data-path="../ch4-rpc/ch4-03-netrpc-hack.html">
  
  <a href="../ch4-rpc/ch4-03-netrpc-hack.html">
    
                    
                    4.3 玩转RPC
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.5.4.4" data-path="../ch4-rpc/ch4-04-grpc.html">
  
  <a href="../ch4-rpc/ch4-04-grpc.html">
    
                    
                    4.4 GRPC入门
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.5.4.5" data-path="../ch4-rpc/ch4-05-grpc-hack.html">
  
  <a href="../ch4-rpc/ch4-05-grpc-hack.html">
    
                    
                    4.5 GRPC进阶
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.5.4.6" data-path="../ch4-rpc/ch4-06-grpc-ext.html">
  
  <a href="../ch4-rpc/ch4-06-grpc-ext.html">
    
                    
                    4.6 GRPC和Protobuf扩展
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.5.4.7" data-path="../ch4-rpc/ch4-07-pbgo.html">
  
  <a href="../ch4-rpc/ch4-07-pbgo.html">
    
                    
                    4.7 pbgo: 基于Protobuf的框架
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.5.4.8" data-path="../ch4-rpc/ch4-08-grpcurl.html">
  
  <a href="../ch4-rpc/ch4-08-grpcurl.html">
    
                    
                    4.8 grpcurl工具
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.5.4.9" data-path="../ch4-rpc/ch4-09-ext.html">
  
  <a href="../ch4-rpc/ch4-09-ext.html">
    
                    
                    4.9 补充说明
            
    </a>
    

    
</li>


    </ul>
    
</li>

<li class="chapter " data-level="1.5.5" data-path="../ch5-web/readme.html">
  
  <a href="../ch5-web/readme.html">
    
                    
                    第5章 Go和Web
            
    </a>
    

    
    <ul class="articles">
      

<li class="chapter " data-level="1.5.5.1" data-path="../ch5-web/ch5-01-introduction.html">
  
  <a href="../ch5-web/ch5-01-introduction.html">
    
                    
                    5.1 Web开发简介
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.5.5.2" data-path="../ch5-web/ch5-02-router.html">
  
  <a href="../ch5-web/ch5-02-router.html">
    
                    
                    5.2 Router请求路由
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.5.5.3" data-path="../ch5-web/ch5-03-middleware.html">
  
  <a href="../ch5-web/ch5-03-middleware.html">
    
                    
                    5.3 Middleware中间件
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.5.5.4" data-path="../ch5-web/ch5-04-validator.html">
  
  <a href="../ch5-web/ch5-04-validator.html">
    
                    
                    5.4 Validator请求校验
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.5.5.5" data-path="../ch5-web/ch5-05-database.html">
  
  <a href="../ch5-web/ch5-05-database.html">
    
                    
                    5.5 Database和数据库打交道
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.5.5.6" data-path="../ch5-web/ch5-06-ratelimit.html">
  
  <a href="../ch5-web/ch5-06-ratelimit.html">
    
                    
                    5.6 Ratelimit 服务流量限制
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.5.5.7" data-path="../ch5-web/ch5-07-layout-of-web-project.html">
  
  <a href="../ch5-web/ch5-07-layout-of-web-project.html">
    
                    
                    5.7 Layout大型web项目分层
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.5.5.8" data-path="../ch5-web/ch5-08-interface-and-web.html">
  
  <a href="../ch5-web/ch5-08-interface-and-web.html">
    
                    
                    5.8 interface 和 table-driven 开发
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.5.5.9" data-path="../ch5-web/ch5-09-gated-launch.html">
  
  <a href="../ch5-web/ch5-09-gated-launch.html">
    
                    
                    5.9 灰度发布和 A/B test
            
    </a>
    

    
</li>

<li class="chapter " data-level="1.5.5.10" data-path="../ch5-web/ch5-10-ext.html">
  
  <a href="../ch5-web/ch5-10-ext.html">
    
                    
                    5.10 补充说明
            
    </a>
    

    
</li>


    </ul>
    
</li>

<li class="chapter " data-level="1.5.6" data-path="readme.html">
  
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                    第6章 分布式系统
            
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                    6.1 分布式 id 生成器
            
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                    6.2 分布式锁
            
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                    6.3 延时任务系统
            
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                    6.4 分布式搜索引擎
            
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                    6.5 负载均衡
            
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</li>

<li class="chapter " data-level="1.5.6.6" data-path="ch6-06-config.html">
  
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                    6.6 分布式配置管理
            
    </a>
    

    
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<li class="chapter " data-level="1.5.6.7" data-path="ch6-07-crawler.html">
  
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                    6.7 分布式爬虫
            
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                    6.8 补充说明
            
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                    附录
            
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                    附录A: Go语言常见坑
            
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                    附录B: 有趣的代码片段
            
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                                <h1 id="64-&#x5206;&#x5E03;&#x5F0F;&#x641C;&#x7D22;&#x5F15;&#x64CE;">6.4 &#x5206;&#x5E03;&#x5F0F;&#x641C;&#x7D22;&#x5F15;&#x64CE;</h1>
<p>&#x5728; web &#x4E00;&#x7AE0;&#x4E2D;&#xFF0C;&#x6211;&#x4EEC;&#x63D0;&#x5230; MySQL &#x5F88;&#x8106;&#x5F31;&#x3002;&#x6570;&#x636E;&#x5E93;&#x7CFB;&#x7EDF;&#x672C;&#x8EAB;&#x8981;&#x4FDD;&#x8BC1;&#x5B9E;&#x65F6;&#x548C;&#x5F3A;&#x4E00;&#x81F4;&#x6027;&#xFF0C;&#x6240;&#x4EE5;&#x5176;&#x529F;&#x80FD;&#x8BBE;&#x8BA1;&#x4E0A;&#x90FD;&#x662F;&#x4E3A;&#x4E86;&#x6EE1;&#x8DB3;&#x8FD9;&#x79CD;&#x4E00;&#x81F4;&#x6027;&#x9700;&#x6C42;&#x3002;&#x6BD4;&#x5982; write ahead log &#x7684;&#x8BBE;&#x8BA1;&#xFF0C;&#x57FA;&#x4E8E; B+ &#x6811;&#x5B9E;&#x73B0;&#x7684;&#x7D22;&#x5F15;&#x548C;&#x6570;&#x636E;&#x7EC4;&#x7EC7;&#xFF0C;&#x4EE5;&#x53CA;&#x57FA;&#x4E8E; MVCC &#x5B9E;&#x73B0;&#x7684;&#x4E8B;&#x52A1;&#x7B49;&#x7B49;&#x3002;</p>
<p>&#x5173;&#x7CFB;&#x578B;&#x6570;&#x636E;&#x5E93;&#x4E00;&#x822C;&#x88AB;&#x7528;&#x4E8E;&#x5B9E;&#x73B0; OLTP &#x7CFB;&#x7EDF;&#xFF0C;&#x6240;&#x8C13; OLTP&#xFF0C;&#x63F4;&#x5F15; wikipedia:</p>
<blockquote>
<p>&#x5728;&#x7EBF;&#x4EA4;&#x6613;&#x5904;&#x7406;&#xFF08;OLTP, Online transaction processing&#xFF09;&#x662F;&#x6307;&#x900F;&#x8FC7;&#x4FE1;&#x606F;&#x7CFB;&#x7EDF;&#x3001;&#x7535;&#x8111;&#x7F51;&#x7EDC;&#x53CA;&#x6570;&#x636E;&#x5E93;&#xFF0C;&#x4EE5;&#x7EBF;&#x4E0A;&#x4EA4;&#x6613;&#x7684;&#x65B9;&#x5F0F;&#x5904;&#x7406;&#x4E00;&#x822C;&#x5373;&#x65F6;&#x6027;&#x7684;&#x4F5C;&#x4E1A;&#x6570;&#x636E;&#xFF0C;&#x548C;&#x66F4;&#x65E9;&#x671F;&#x4F20;&#x7EDF;&#x6570;&#x636E;&#x5E93;&#x7CFB;&#x7EDF;&#x5927;&#x91CF;&#x6279;&#x91CF;&#x7684;&#x4F5C;&#x4E1A;&#x65B9;&#x5F0F;&#x5E76;&#x4E0D;&#x76F8;&#x540C;&#x3002;OLTP&#x901A;&#x5E38;&#x88AB;&#x8FD0;&#x7528;&#x4E8E;&#x81EA;&#x52A8;&#x5316;&#x7684;&#x6570;&#x636E;&#x5904;&#x7406;&#x5DE5;&#x4F5C;&#xFF0C;&#x5982;&#x8BA2;&#x5355;&#x8F93;&#x5165;&#x3001;&#x91D1;&#x878D;&#x4E1A;&#x52A1;&#x2026;&#x7B49;&#x53CD;&#x590D;&#x6027;&#x7684;&#x65E5;&#x5E38;&#x6027;&#x4EA4;&#x6613;&#x6D3B;&#x52A8;&#x3002;&#x548C;&#x5176;&#x76F8;&#x5BF9;&#x7684;&#x662F;&#x5C5E;&#x4E8E;&#x51B3;&#x7B56;&#x5206;&#x6790;&#x5C42;&#x6B21;&#x7684;&#x8054;&#x673A;&#x5206;&#x6790;&#x5904;&#x7406;&#xFF08;OLAP&#xFF09;&#x3002;</p>
</blockquote>
<p>&#x5728;&#x4E92;&#x8054;&#x7F51;&#x7684;&#x4E1A;&#x52A1;&#x573A;&#x666F;&#x4E2D;&#xFF0C;&#x4E5F;&#x6709;&#x4E00;&#x4E9B;&#x5B9E;&#x65F6;&#x6027;&#x8981;&#x6C42;&#x4E0D;&#x9AD8;(&#x53EF;&#x4EE5;&#x63A5;&#x53D7;&#x591A; s &#x7684;&#x5EF6;&#x8FDF;)&#xFF0C;&#x4F46;&#x662F;&#x67E5;&#x8BE2;&#x590D;&#x6742;&#x6027;&#x5374;&#x5F88;&#x9AD8;&#x7684;&#x573A;&#x666F;&#x3002;&#x4E3E;&#x4E2A;&#x4F8B;&#x5B50;&#xFF0C;&#x5728;&#x7535;&#x5546;&#x7684; wms &#x7CFB;&#x7EDF;&#x4E2D;&#xFF0C;&#x6216;&#x8005;&#x5728;&#x5927;&#x591A;&#x6570;&#x4E1A;&#x52A1;&#x573A;&#x666F;&#x4E30;&#x5BCC;&#x7684; crm &#x6216;&#x8005;&#x5BA2;&#x670D;&#x7CFB;&#x7EDF;&#x4E2D;&#xFF0C;&#x53EF;&#x80FD;&#x9700;&#x8981;&#x63D0;&#x4F9B;&#x51E0;&#x5341;&#x4E2A;&#x5B57;&#x6BB5;&#x7684;&#x968F;&#x610F;&#x7EC4;&#x5408;&#x67E5;&#x8BE2;&#x529F;&#x80FD;&#x3002;&#x8FD9;&#x79CD;&#x7CFB;&#x7EDF;&#x7684;&#x6570;&#x636E;&#x7EF4;&#x5EA6;&#x5929;&#x751F;&#x4F17;&#x591A;&#xFF0C;&#x6BD4;&#x5982;&#x4E00;&#x4E2A;&#x7535;&#x5546;&#x7684; wms &#x4E2D;&#x5BF9;&#x4E00;&#x4EF6;&#x8D27;&#x7269;&#x7684;&#x63CF;&#x8FF0;&#xFF0C;&#x53EF;&#x80FD;&#x6709;&#x4E0B;&#x9762;&#x8FD9;&#x4E9B;&#x5B57;&#x6BB5;&#xFF1A;</p>
<blockquote>
<p>&#x4ED3;&#x5E93; id&#xFF0C;&#x5165;&#x5E93;&#x65F6;&#x95F4;&#xFF0C;&#x5E93;&#x4F4D;&#x5206;&#x533A; id&#xFF0C;&#x50A8;&#x5B58;&#x8D27;&#x67B6; id&#xFF0C;&#x5165;&#x5E93;&#x64CD;&#x4F5C;&#x5458; id&#xFF0C;&#x51FA;&#x5E93;&#x64CD;&#x4F5C;&#x5458; id&#xFF0C;&#x5E93;&#x5B58;&#x6570;&#x91CF;&#xFF0C;&#x8FC7;&#x671F;&#x65F6;&#x95F4;&#xFF0C;sku &#x7C7B;&#x578B;&#xFF0C;&#x4EA7;&#x54C1;&#x54C1;&#x724C;&#xFF0C;&#x4EA7;&#x54C1;&#x5206;&#x7C7B;&#xFF0C;&#x5185;&#x4EF6;&#x6570;&#x91CF;</p>
</blockquote>
<p>&#x9664;&#x4E86;&#x4E0A;&#x8FF0;&#x4FE1;&#x606F;&#xFF0C;&#x5982;&#x679C;&#x5546;&#x54C1;&#x5728;&#x4ED3;&#x5E93;&#x5185;&#x6709;&#x6D41;&#x8F6C;&#x3002;&#x53EF;&#x80FD;&#x8FD8;&#x6709;&#x6709;&#x5173;&#x8054;&#x7684;&#x6D41;&#x7A0B; id&#xFF0C;&#x5F53;&#x524D;&#x7684;&#x6D41;&#x8F6C;&#x72B6;&#x6001;&#x7B49;&#x7B49;&#x3002;</p>
<p>&#x60F3;&#x50CF;&#x4E00;&#x4E0B;&#xFF0C;&#x5982;&#x679C;&#x6211;&#x4EEC;&#x6240;&#x7ECF;&#x8425;&#x7684;&#x662F;&#x4E00;&#x4E2A;&#x5927;&#x578B;&#x7535;&#x5546;&#xFF0C;&#x6BCF;&#x5929;&#x6709;&#x5343;&#x4E07;&#x7EA7;&#x522B;&#x7684;&#x8BA2;&#x5355;&#xFF0C;&#x90A3;&#x4E48;&#x5728;&#x8FD9;&#x4E2A;&#x6570;&#x636E;&#x5E93;&#x4E2D;&#x67E5;&#x8BE2;&#x548C;&#x5EFA;&#x7ACB;&#x5408;&#x9002;&#x7684;&#x7D22;&#x5F15;&#x90FD;&#x662F;&#x4E00;&#x4EF6;&#x975E;&#x5E38;&#x96BE;&#x7684;&#x4E8B;&#x60C5;&#x3002;</p>
<p>&#x5728; CRM &#x6216;&#x5BA2;&#x670D;&#x7C7B;&#x7CFB;&#x7EDF;&#x4E2D;&#xFF0C;&#x5E38;&#x5E38;&#x6709;&#x6839;&#x636E;&#x5173;&#x952E;&#x5B57;&#x8FDB;&#x884C;&#x641C;&#x7D22;&#x7684;&#x9700;&#x6C42;&#xFF0C;&#x5927;&#x578B;&#x4E92;&#x8054;&#x7F51;&#x516C;&#x53F8;&#x6BCF;&#x5929;&#x4F1A;&#x63A5;&#x6536;&#x6570;&#x4EE5;&#x4E07;&#x8BA1;&#x7684;&#x7528;&#x6237;&#x6295;&#x8BC9;&#x3002;&#x800C;&#x8003;&#x8651;&#x5230;&#x4E8B;&#x4EF6;&#x6EAF;&#x6E90;&#xFF0C;&#x7528;&#x6237;&#x7684;&#x6295;&#x8BC9;&#x81F3;&#x5C11;&#x8981;&#x5B58; 2~3 &#x5E74;&#x3002;&#x53C8;&#x662F;&#x5343;&#x4E07;&#x7EA7;&#x751A;&#x81F3;&#x4E0A;&#x4EBF;&#x7684;&#x6570;&#x636E;&#x3002;&#x6839;&#x636E;&#x5173;&#x952E;&#x5B57;&#x8FDB;&#x884C;&#x4E00;&#x6B21; like &#x67E5;&#x8BE2;&#xFF0C;&#x53EF;&#x80FD;&#x6574;&#x4E2A; MySQL &#x5C31;&#x76F4;&#x63A5;&#x6302;&#x6389;&#x4E86;&#x3002;</p>
<p>&#x8FD9;&#x65F6;&#x5019;&#x6211;&#x4EEC;&#x5C31;&#x9700;&#x8981;&#x641C;&#x7D22;&#x5F15;&#x64CE;&#x6765;&#x6551;&#x573A;&#x4E86;&#x3002;</p>
<h2 id="&#x641C;&#x7D22;&#x5F15;&#x64CE;">&#x641C;&#x7D22;&#x5F15;&#x64CE;</h2>
<p>elasticsearch &#x662F;&#x5F00;&#x6E90;&#x5206;&#x5E03;&#x5F0F;&#x641C;&#x7D22;&#x5F15;&#x64CE;&#x7684;&#x9738;&#x4E3B;&#xFF0C;&#x5176;&#x4F9D;&#x8D56;&#x4E8E; Lucene &#x5B9E;&#x73B0;&#xFF0C;&#x5728;&#x90E8;&#x7F72;&#x548C;&#x8FD0;&#x7EF4;&#x65B9;&#x9762;&#x505A;&#x4E86;&#x5F88;&#x591A;&#x4F18;&#x5316;&#x3002;&#x5F53;&#x4ECA;&#x642D;&#x5EFA;&#x4E00;&#x4E2A;&#x5206;&#x5E03;&#x5F0F;&#x641C;&#x7D22;&#x5F15;&#x64CE;&#x6BD4;&#x8D77; Sphinx &#x7684;&#x65F6;&#x4EE3;&#x5DF2;&#x7ECF;&#x662F;&#x5BB9;&#x6613;&#x5F88;&#x591A;&#x5F88;&#x591A;&#x4E86;&#x3002;&#x53EA;&#x8981;&#x7B80;&#x5355;&#x914D;&#x7F6E;&#x5BA2;&#x6237;&#x7AEF; ip &#x548C;&#x7AEF;&#x53E3;&#x5C31;&#x53EF;&#x4EE5;&#x4E86;&#x3002;</p>
<h3 id="&#x5012;&#x6392;&#x5217;&#x8868;">&#x5012;&#x6392;&#x5217;&#x8868;</h3>
<p>&#x867D;&#x7136; es &#x662F;&#x9488;&#x5BF9;&#x641C;&#x7D22;&#x573A;&#x666F;&#x6765;&#x5B9A;&#x5236;&#x7684;&#xFF0C;&#x4F46;&#x5982;&#x524D;&#x6587;&#x6240;&#x8A00;&#xFF0C;&#x5B9E;&#x9645;&#x5E94;&#x7528;&#x4E2D;&#x5E38;&#x5E38;&#x7528; es &#x6765;&#x4F5C;&#x4E3A; database &#x6765;&#x4F7F;&#x7528;&#xFF0C;&#x5C31;&#x662F;&#x56E0;&#x4E3A;&#x5012;&#x6392;&#x5217;&#x8868;&#x7684;&#x7279;&#x6027;&#x3002;&#x53EF;&#x4EE5;&#x7528;&#x6BD4;&#x8F83;&#x6734;&#x7D20;&#x7684;&#x89C2;&#x70B9;&#x6765;&#x7406;&#x89E3;&#x5012;&#x6392;&#x7D22;&#x5F15;&#xFF1A;</p>
<pre><code>&#x250C;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2510;       &#x250C;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x252C;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x252C;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x252C;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2510;
&#x2502;  order_id: 103  &#x2502;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x25B6;&#x2502; doc_id:4231 &#x2502; doc_id:4333 &#x2502; doc_id:5123 &#x2502; doc_id:9999 &#x2502;
&#x2514;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2518;       &#x2514;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2534;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2534;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2534;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2518;





&#x250C;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2510;       &#x250C;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x252C;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x252C;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x252C;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x252C;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2510;
&#x2502;  sku_id: 30221  &#x2502;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x25B6;&#x2502; doc_id:4231 &#x2502; doc_id:5123 &#x2502; doc_id:5644 &#x2502; doc_id:7801 &#x2502; doc_id:9999 &#x2502;
&#x2514;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2518;       &#x2514;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2534;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2534;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2534;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2534;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2518;




&#x250C;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2510;       &#x250C;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x252C;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x252C;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x252C;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x252C;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x252C;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x252C;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2510;
&#x2502;   city_id: 3    &#x2502;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x25B6;&#x2502; doc_id:5123 &#x2502; doc_id:9999 &#x2502;doc_id:10232 &#x2502;doc_id:54321 &#x2502;doc_id:63142 &#x2502;doc_id:71230 &#x2502;doc_id:90123 &#x2502;
&#x2514;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2518;       &#x2514;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2534;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2534;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2534;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2534;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2534;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2534;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2518;
</code></pre><p>&#x5BF9; es &#x4E2D;&#x7684;&#x6570;&#x636E;&#x8FDB;&#x884C;&#x67E5;&#x8BE2;&#x65F6;&#xFF0C;&#x672C;&#x8D28;&#x5C31;&#x662F;&#x6C42;&#x591A;&#x4E2A;&#x6392;&#x597D;&#x5E8F;&#x7684;&#x5E8F;&#x5217;&#x6C42;&#x4EA4;&#x96C6;&#x3002;&#x975E;&#x6570;&#x503C;&#x7C7B;&#x578B;&#x5B57;&#x6BB5;&#x6D89;&#x53CA;&#x5230;&#x5206;&#x8BCD;&#x95EE;&#x9898;&#xFF0C;&#x5927;&#x591A;&#x6570;&#x5185;&#x90E8;&#x4F7F;&#x7528;&#x573A;&#x666F;&#x4E0B;&#xFF0C;&#x6211;&#x4EEC;&#x53EF;&#x4EE5;&#x76F4;&#x63A5;&#x4F7F;&#x7528;&#x9ED8;&#x8BA4;&#x7684; bi-gram &#x5206;&#x8BCD;&#x3002;&#x4EC0;&#x4E48;&#x662F; bi-gram &#x5206;&#x8BCD;&#x5462;&#xFF1A;</p>
<p>&#x5373;&#x5C06;&#x6240;&#x6709; Ti &#x548C; T(i+1) &#x7EC4;&#x6210;&#x4E00;&#x4E2A;&#x8BCD;(&#x5728; es &#x4E2D;&#x53EB; term)&#xFF0C;&#x7136;&#x540E;&#x518D;&#x7F16;&#x6392;&#x5176;&#x5012;&#x6392;&#x5217;&#x8868;&#xFF0C;&#x8FD9;&#x6837;&#x6211;&#x4EEC;&#x7684;&#x5012;&#x6392;&#x5217;&#x8868;&#x5927;&#x6982;&#x5C31;&#x662F;&#x8FD9;&#x6837;&#x7684;&#xFF1A;</p>
<p><img src="../images/ch6-terms.png" alt="terms"></p>
<p>&#x5F53;&#x7528;&#x6237;&#x641C;&#x7D22; &apos;&#x5929;&#x6C14;&#x5F88;&#x597D;&apos; &#x65F6;&#xFF0C;&#x5176;&#x5B9E;&#x5C31;&#x662F;&#x6C42;&#xFF1A;&#x5929;&#x6C14;&#x3001;&#x6C14;&#x5F88;&#x3001;&#x5F88;&#x597D;&#x4E09;&#x7EC4;&#x5012;&#x6392;&#x5217;&#x8868;&#x7684;&#x4EA4;&#x96C6;&#xFF0C;&#x4F46;&#x8FD9;&#x91CC;&#x7684;&#x76F8;&#x7B49;&#x5224;&#x65AD;&#x903B;&#x8F91;&#x6709;&#x4E9B;&#x7279;&#x6B8A;&#xFF0C;&#x7528;&#x4F2A;&#x4EE3;&#x7801;&#x8868;&#x793A;&#x4E00;&#x4E0B;&#xFF1A;</p>
<pre><code class="lang-go"><span class="hljs-keyword">func</span> equal() {
    <span class="hljs-keyword">if</span> postEntry.docID of <span class="hljs-string">&apos;&#x5929;&#x6C14;&apos;</span> == postEntry.docID of <span class="hljs-string">&apos;&#x6C14;&#x5F88;&apos;</span> &amp;&amp; postEntry.offset + <span class="hljs-number">1</span> of <span class="hljs-string">&apos;&#x5929;&#x6C14;&apos;</span> == postEntry.offset of <span class="hljs-string">&apos;&#x6C14;&#x5F88;&apos;</span> {
        <span class="hljs-keyword">return</span> <span class="hljs-literal">true</span>
    }

    <span class="hljs-keyword">if</span> postEntry.docID of <span class="hljs-string">&apos;&#x6C14;&#x5F88;&apos;</span> == postEntry.docID of <span class="hljs-string">&apos;&#x5F88;&#x597D;&apos;</span> &amp;&amp; postEntry.offset + <span class="hljs-number">1</span> of <span class="hljs-string">&apos;&#x6C14;&#x5F88;&apos;</span> == postEntry.offset of <span class="hljs-string">&apos;&#x5F88;&#x597D;&apos;</span> {
        <span class="hljs-keyword">return</span> <span class="hljs-literal">true</span>
    }

    <span class="hljs-keyword">if</span> postEntry.docID of <span class="hljs-string">&apos;&#x5929;&#x6C14;&apos;</span> == postEntry.docID of <span class="hljs-string">&apos;&#x5F88;&#x597D;&apos;</span> &amp;&amp; postEntry.offset + <span class="hljs-number">2</span> of <span class="hljs-string">&apos;&#x5929;&#x6C14;&apos;</span> == postEntry.offset of <span class="hljs-string">&apos;&#x5F88;&#x597D;&apos;</span> {
        <span class="hljs-keyword">return</span> <span class="hljs-literal">true</span>
    }

    <span class="hljs-keyword">return</span> <span class="hljs-literal">false</span>
}
</code></pre>
<p>&#x591A;&#x4E2A;&#x6709;&#x5E8F;&#x5217;&#x8868;&#x6C42;&#x4EA4;&#x96C6;&#x7684;&#x65F6;&#x95F4;&#x590D;&#x6742;&#x5EA6;&#x662F;&#xFF1A;O(N * M)&#xFF0C; N &#x4E3A;&#x7ED9;&#x5B9A;&#x5217;&#x8868;&#x5F53;&#x4E2D;&#x5143;&#x7D20;&#x6570;&#x6700;&#x5C0F;&#x7684;&#x96C6;&#x5408;&#xFF0C; M &#x4E3A;&#x7ED9;&#x5B9A;&#x5217;&#x8868;&#x7684;&#x4E2A;&#x6570;&#x3002;</p>
<p>&#x5728;&#x6574;&#x4E2A;&#x7B97;&#x6CD5;&#x4E2D;&#x8D77;&#x51B3;&#x5B9A;&#x4F5C;&#x7528;&#x7684;&#x4E00;&#x662F;&#x6700;&#x77ED;&#x7684;&#x5012;&#x6392;&#x5217;&#x8868;&#x7684;&#x957F;&#x5EA6;&#xFF0C;&#x5176;&#x6B21;&#x662F;&#x8BCD;&#x6570;&#x603B;&#x548C;&#xFF0C;&#x4E00;&#x822C;&#x8BCD;&#x6570;&#x4E0D;&#x4F1A;&#x5F88;&#x5927;(&#x60F3;&#x50CF;&#x4E00;&#x4E0B;&#xFF0C;&#x4F60;&#x4F1A;&#x5728;&#x641C;&#x7D22;&#x5F15;&#x64CE;&#x91CC;&#x8F93;&#x5165;&#x51E0;&#x767E;&#x5B57;&#x6765;&#x641C;&#x7D22;&#x4E48;&#xFF1F;)&#xFF0C;&#x6240;&#x4EE5;&#x8D77;&#x51B3;&#x5B9A;&#x6027;&#x4F5C;&#x7528;&#x7684;&#xFF0C;&#x4E00;&#x822C;&#x662F;&#x6240;&#x6709;&#x5012;&#x6392;&#x5217;&#x8868;&#x4E2D;&#xFF0C;&#x6700;&#x77ED;&#x7684;&#x90A3;&#x4E00;&#x4E2A;&#x7684;&#x957F;&#x5EA6;&#x3002;</p>
<p>&#x56E0;&#x6B64;&#xFF0C;&#x6587;&#x6863;&#x603B;&#x6570;&#x5F88;&#x591A;&#x7684;&#x60C5;&#x51B5;&#x4E0B;&#xFF0C;&#x641C;&#x7D22;&#x8BCD;&#x7684;&#x5012;&#x6392;&#x5217;&#x8868;&#x6700;&#x77ED;&#x7684;&#x90A3;&#x4E00;&#x4E2A;&#x4E0D;&#x957F;&#x65F6;&#xFF0C;&#x641C;&#x7D22;&#x901F;&#x5EA6;&#x4E5F;&#x662F;&#x5F88;&#x5FEB;&#x7684;&#x3002;&#x5982;&#x679C;&#x7528;&#x5173;&#x7CFB;&#x578B;&#x6570;&#x636E;&#x5E93;&#xFF0C;&#x90A3;&#x5C31;&#x9700;&#x8981;&#x6309;&#x7167;&#x7D22;&#x5F15;(&#x5982;&#x679C;&#x6709;&#x7684;&#x8BDD;)&#x6765;&#x6162;&#x6162;&#x626B;&#x63CF;&#x4E86;&#x3002;</p>
<h3 id="&#x67E5;&#x8BE2;-dsl">&#x67E5;&#x8BE2; DSL</h3>
<p>es &#x5B9A;&#x4E49;&#x4E86;&#x4E00;&#x5957;&#x67E5;&#x8BE2; DSL&#xFF0C;&#x5F53;&#x6211;&#x4EEC;&#x628A; es &#x5F53;&#x6570;&#x636E;&#x5E93;&#x4F7F;&#x7528;&#x65F6;&#xFF0C;&#x9700;&#x8981;&#x7528;&#x5230;&#x5176; bool &#x67E5;&#x8BE2;&#x3002;&#x4E3E;&#x4E2A;&#x4F8B;&#x5B50;&#xFF1A;</p>
<pre><code class="lang-json">{
  <span class="hljs-string">&quot;query&quot;</span>: {
    <span class="hljs-string">&quot;bool&quot;</span>: {
      <span class="hljs-string">&quot;must&quot;</span>: [
        {
          <span class="hljs-string">&quot;match&quot;</span>: {
            <span class="hljs-string">&quot;field_1&quot;</span>: {
              <span class="hljs-string">&quot;query&quot;</span>: <span class="hljs-string">&quot;1&quot;</span>,
              <span class="hljs-string">&quot;type&quot;</span>: <span class="hljs-string">&quot;phrase&quot;</span>
            }
          }
        },
        {
          <span class="hljs-string">&quot;match&quot;</span>: {
            <span class="hljs-string">&quot;field_2&quot;</span>: {
              <span class="hljs-string">&quot;query&quot;</span>: <span class="hljs-string">&quot;2&quot;</span>,
              <span class="hljs-string">&quot;type&quot;</span>: <span class="hljs-string">&quot;phrase&quot;</span>
            }
          }
        },
        {
          <span class="hljs-string">&quot;match&quot;</span>: {
            <span class="hljs-string">&quot;field_3&quot;</span>: {
              <span class="hljs-string">&quot;query&quot;</span>: <span class="hljs-string">&quot;3&quot;</span>,
              <span class="hljs-string">&quot;type&quot;</span>: <span class="hljs-string">&quot;phrase&quot;</span>
            }
          }
        },
        {
          <span class="hljs-string">&quot;match&quot;</span>: {
            <span class="hljs-string">&quot;field_4&quot;</span>: {
              <span class="hljs-string">&quot;query&quot;</span>: <span class="hljs-string">&quot;4&quot;</span>,
              <span class="hljs-string">&quot;type&quot;</span>: <span class="hljs-string">&quot;phrase&quot;</span>
            }
          }
        }
      ]
    }
  },
  <span class="hljs-string">&quot;from&quot;</span>: <span class="hljs-number">0</span>,
  <span class="hljs-string">&quot;size&quot;</span>: <span class="hljs-number">1</span>
}
</code></pre>
<p>&#x770B;&#x8D77;&#x6765;&#x6BD4;&#x8F83;&#x9EBB;&#x70E6;&#xFF0C;&#x4F46;&#x8868;&#x8FBE;&#x7684;&#x610F;&#x601D;&#x5F88;&#x7B80;&#x5355;&#xFF1A;</p>
<pre><code class="lang-go"><span class="hljs-keyword">if</span> field_1 == <span class="hljs-number">1</span> &amp;&amp; field_2 == <span class="hljs-number">2</span> &amp;&amp; field_3 == <span class="hljs-number">3</span> &amp;&amp; field_4 == <span class="hljs-number">4</span> {
    <span class="hljs-keyword">return</span> <span class="hljs-literal">true</span>
}
</code></pre>
<p>&#x7528; bool should query &#x53EF;&#x4EE5;&#x8868;&#x793A; or &#x7684;&#x903B;&#x8F91;&#xFF1A;</p>
<pre><code class="lang-json">{
  <span class="hljs-string">&quot;query&quot;</span>: {
    <span class="hljs-string">&quot;bool&quot;</span>: {
      <span class="hljs-string">&quot;should&quot;</span>: [
        {
          <span class="hljs-string">&quot;match&quot;</span>: {
            <span class="hljs-string">&quot;field_1&quot;</span>: {
              <span class="hljs-string">&quot;query&quot;</span>: <span class="hljs-string">&quot;1&quot;</span>,
              <span class="hljs-string">&quot;type&quot;</span>: <span class="hljs-string">&quot;phrase&quot;</span>
            }
          }
        },
        {
          <span class="hljs-string">&quot;match&quot;</span>: {
            <span class="hljs-string">&quot;field_2&quot;</span>: {
              <span class="hljs-string">&quot;query&quot;</span>: <span class="hljs-string">&quot;3&quot;</span>,
              <span class="hljs-string">&quot;type&quot;</span>: <span class="hljs-string">&quot;phrase&quot;</span>
            }
          }
        }
      ]
    }
  },
  <span class="hljs-string">&quot;from&quot;</span>: <span class="hljs-number">0</span>,
  <span class="hljs-string">&quot;size&quot;</span>: <span class="hljs-number">1</span>
}
</code></pre>
<p>&#x8FD9;&#x91CC;&#x8868;&#x793A;&#x7684;&#x662F;&#x7C7B;&#x4F3C;&#xFF1A;</p>
<pre><code class="lang-go"><span class="hljs-keyword">if</span> field_1 == <span class="hljs-number">1</span> || field_2 == <span class="hljs-number">2</span> {
    <span class="hljs-keyword">return</span> <span class="hljs-literal">true</span>
}
</code></pre>
<p>&#x8FD9;&#x4E9B; Go &#x4EE3;&#x7801;&#x91CC; if &#x540E;&#x9762;&#x8DDF;&#x7740;&#x7684;&#x8868;&#x8FBE;&#x5F0F;&#x5728;&#x7F16;&#x7A0B;&#x8BED;&#x8A00;&#x4E2D;&#x6709;&#x4E13;&#x6709;&#x540D;&#x8BCD;&#x6765;&#x8868;&#x8FBE; Boolean Expression&#xFF1A;</p>
<pre><code class="lang-go"><span class="hljs-number">4</span> &gt; <span class="hljs-number">1</span>
<span class="hljs-number">5</span> == <span class="hljs-number">2</span>
<span class="hljs-number">3</span> &lt; i &amp;&amp; x &gt; <span class="hljs-number">10</span>
</code></pre>
<p>es &#x7684; Bool Query &#x65B9;&#x6848;&#xFF0C;&#x5B9E;&#x9645;&#x4E0A;&#x5C31;&#x662F;&#x7528; json &#x6765;&#x8868;&#x8FBE;&#x4E86;&#x8FD9;&#x79CD;&#x7A0B;&#x5E8F;&#x8BED;&#x8A00;&#x4E2D;&#x7684; Boolean Expression&#xFF0C;&#x4E3A;&#x4EC0;&#x4E48;&#x53EF;&#x4EE5;&#x8FD9;&#x4E48;&#x505A;&#x5462;&#xFF1F;&#x56E0;&#x4E3A; json &#x672C;&#x8EAB;&#x662F;&#x53EF;&#x4EE5;&#x8868;&#x8FBE;&#x6811;&#x5F62;&#x7ED3;&#x6784;&#x7684;&#xFF0C;&#x6211;&#x4EEC;&#x7684;&#x7A0B;&#x5E8F;&#x4EE3;&#x7801;&#x5728;&#x88AB;&#x7F16;&#x8BD1;&#x5668; parse &#x4E4B;&#x540E;&#xFF0C;&#x4E5F;&#x4F1A;&#x53D8;&#x6210; AST&#xFF0C;&#x800C; AST &#x62BD;&#x8C61;&#x8BED;&#x6CD5;&#x6811;&#xFF0C;&#x987E;&#x540D;&#x601D;&#x4E49;&#xFF0C;&#x5C31;&#x662F;&#x6811;&#x5F62;&#x7ED3;&#x6784;&#x3002;&#x7406;&#x8BBA;&#x4E0A; json &#x80FD;&#x591F;&#x5B8C;&#x5907;&#x5730;&#x8868;&#x8FBE;&#x4E00;&#x6BB5;&#x7A0B;&#x5E8F;&#x4EE3;&#x7801;&#x88AB; parse &#x4E4B;&#x540E;&#x7684;&#x7ED3;&#x679C;&#x3002;&#x8FD9;&#x91CC;&#x7684; Boolean Expression &#x88AB;&#x7F16;&#x8BD1;&#x5668; Parse &#x4E4B;&#x540E;&#x4E5F;&#x4F1A;&#x751F;&#x6210;&#x5DEE;&#x4E0D;&#x591A;&#x7684;&#x6811;&#x5F62;&#x7ED3;&#x6784;&#xFF0C;&#x800C;&#x4E14;&#x53EA;&#x662F;&#x6574;&#x4E2A;&#x7F16;&#x8BD1;&#x5668;&#x5B9E;&#x73B0;&#x7684;&#x4E00;&#x4E2A;&#x5F88;&#x5C0F;&#x7684;&#x5B50;&#x96C6;&#x3002;</p>
<h3 id="&#x57FA;&#x4E8E;-client-sdk-&#x505A;&#x5F00;&#x53D1;">&#x57FA;&#x4E8E; client sdk &#x505A;&#x5F00;&#x53D1;</h3>
<p>&#x521D;&#x59CB;&#x5316;&#xFF1A;</p>
<pre><code class="lang-go"><span class="hljs-comment">// &#x9009;&#x7528; elastic &#x7248;&#x672C;&#x65F6;</span>
<span class="hljs-comment">// &#x6CE8;&#x610F;&#x4E0E;&#x81EA;&#x5DF1;&#x4F7F;&#x7528;&#x7684; elasticsearch &#x8981;&#x5BF9;&#x5E94;</span>
<span class="hljs-keyword">import</span> (
    elastic <span class="hljs-string">&quot;gopkg.in/olivere/elastic.v3&quot;</span>
)

<span class="hljs-keyword">var</span> esClient *elastic.Client

<span class="hljs-keyword">func</span> initElasticsearchClient(host <span class="hljs-keyword">string</span>, port <span class="hljs-keyword">string</span>) {
    <span class="hljs-keyword">var</span> err error
    esClient, err = elastic.NewClient(
        elastic.SetURL(fmt.Sprintf(<span class="hljs-string">&quot;http://%s:%s&quot;</span>, host, port)),
        elastic.SetMaxRetries(<span class="hljs-number">3</span>),
    )

    <span class="hljs-keyword">if</span> err != <span class="hljs-literal">nil</span> {
        <span class="hljs-comment">// log error</span>
    }
}
</code></pre>
<p>&#x63D2;&#x5165;&#xFF1A;</p>
<pre><code class="lang-go"><span class="hljs-keyword">func</span> insertDocument(db <span class="hljs-keyword">string</span>, table <span class="hljs-keyword">string</span>, obj <span class="hljs-keyword">map</span>[<span class="hljs-keyword">string</span>]<span class="hljs-keyword">interface</span>{}) {

    id := obj[<span class="hljs-string">&quot;id&quot;</span>]

    <span class="hljs-keyword">var</span> indexName, typeName <span class="hljs-keyword">string</span>
    <span class="hljs-comment">// &#x6570;&#x636E;&#x5E93;&#x4E2D;&#x7684; database/table &#x6982;&#x5FF5;&#xFF0C;&#x53EF;&#x4EE5;&#x7B80;&#x5355;&#x6620;&#x5C04;&#x5230; es &#x7684; index &#x548C; type</span>
    <span class="hljs-comment">// &#x4E0D;&#x8FC7;&#x9700;&#x8981;&#x6CE8;&#x610F;&#xFF0C;&#x56E0;&#x4E3A; es &#x4E2D;&#x7684; _type &#x672C;&#x8D28;&#x4E0A;&#x53EA;&#x662F; document &#x7684;&#x4E00;&#x4E2A;&#x5B57;&#x6BB5;</span>
    <span class="hljs-comment">// &#x6240;&#x4EE5;&#x5355;&#x4E2A; index &#x5185;&#x5BB9;&#x8FC7;&#x591A;&#x4F1A;&#x5BFC;&#x81F4;&#x6027;&#x80FD;&#x95EE;&#x9898;</span>
    <span class="hljs-comment">// &#x5728;&#x65B0;&#x7248;&#x672C;&#x4E2D; type &#x5DF2;&#x7ECF;&#x5E9F;&#x5F03;</span>
    <span class="hljs-comment">// &#x4E3A;&#x4E86;&#x8BA9;&#x4E0D;&#x540C;&#x8868;&#x7684;&#x6570;&#x636E;&#x843D;&#x5165;&#x4E0D;&#x540C;&#x7684; index&#xFF0C;&#x8FD9;&#x91CC;&#x6211;&#x4EEC;&#x7528; table+name &#x4F5C;&#x4E3A; index &#x7684;&#x540D;&#x5B57;</span>
    indexName = fmt.Sprintf(<span class="hljs-string">&quot;%v_%v&quot;</span>, db, table)
    typeName = table

    <span class="hljs-comment">//&#x6B63;&#x5E38;&#x60C5;&#x51B5;</span>
    res, err := esClient.Index().Index(indexName).Type(typeName).Id(id).BodyJson(obj).Do()
    <span class="hljs-keyword">if</span> err != <span class="hljs-literal">nil</span> {
      <span class="hljs-comment">// handle error</span>
    } <span class="hljs-keyword">else</span> {
      <span class="hljs-comment">// insert success</span>
    }
}
</code></pre>
<p>&#x83B7;&#x53D6;&#xFF1A;</p>
<pre><code class="lang-go"><span class="hljs-keyword">func</span> query(indexName <span class="hljs-keyword">string</span>, typeName <span class="hljs-keyword">string</span>) (*elastic.SearchResult, error) {
    <span class="hljs-comment">// &#x901A;&#x8FC7; bool must &#x548C; bool should &#x6DFB;&#x52A0; bool &#x67E5;&#x8BE2;&#x6761;&#x4EF6;</span>
    q := elastic.NewBoolQuery().Must(elastic.NewMatchPhraseQuery(<span class="hljs-string">&quot;id&quot;</span>, <span class="hljs-number">1</span>),
        elastic.NewBoolQuery().Must(elastic.NewMatchPhraseQuery(<span class="hljs-string">&quot;male&quot;</span>, <span class="hljs-string">&quot;m&quot;</span>)))

    q = q.Should(elastic.NewMatchPhraseQuery(<span class="hljs-string">&quot;name&quot;</span>, <span class="hljs-string">&quot;alex&quot;</span>),
        elastic.NewMatchPhraseQuery(<span class="hljs-string">&quot;name&quot;</span>, <span class="hljs-string">&quot;xargin&quot;</span>))

    searchService := esClient.Search(indexName).Type(typeName)
    res, err := searchService.Query(q).Do()
    <span class="hljs-keyword">if</span> err != <span class="hljs-literal">nil</span> {
        <span class="hljs-comment">// log error</span>
        <span class="hljs-keyword">return</span> <span class="hljs-literal">nil</span>, err
    }

    <span class="hljs-keyword">return</span> res, <span class="hljs-literal">nil</span>
}
</code></pre>
<p>&#x5220;&#x9664;&#xFF1A;</p>
<pre><code class="lang-go"><span class="hljs-keyword">func</span> deleteDocument(indexName <span class="hljs-keyword">string</span>, typeName <span class="hljs-keyword">string</span>, obj <span class="hljs-keyword">map</span>[<span class="hljs-keyword">string</span>]<span class="hljs-keyword">interface</span>{}) {
    id := obj[<span class="hljs-string">&quot;id&quot;</span>]

    res, err := esClient.Delete().Index(indexName).Type(typeName).Id(id).Do()
    <span class="hljs-keyword">if</span> err != <span class="hljs-literal">nil</span> {
      <span class="hljs-comment">// handle error</span>
    } <span class="hljs-keyword">else</span> {
      <span class="hljs-comment">// delete success</span>
    }
}
</code></pre>
<p>&#x56E0;&#x4E3A; lucene &#x7684;&#x6027;&#x8D28;&#xFF0C;&#x672C;&#x8D28;&#x4E0A;&#x641C;&#x7D22;&#x5F15;&#x64CE;&#x5185;&#x7684;&#x6570;&#x636E;&#x662F;&#x4E0D;&#x53EF;&#x53D8;&#x7684;&#xFF0C;&#x6240;&#x4EE5;&#x5982;&#x679C;&#x8981;&#x5BF9; document &#x8FDB;&#x884C;&#x66F4;&#x65B0;&#xFF0C;&#x5B9E;&#x9645;&#x4E0A;&#x662F;&#x6309;&#x7167; id &#x8FDB;&#x884C;&#x5B8C;&#x5168;&#x8986;&#x76D6;&#x7684;&#x64CD;&#x4F5C;&#xFF0C;&#x6240;&#x4EE5;&#x4E0E;&#x63D2;&#x5165;&#x7684;&#x60C5;&#x51B5;&#x662F;&#x4E00;&#x6837;&#x7684;&#x3002;</p>
<p>&#x4F7F;&#x7528; es &#x4F5C;&#x4E3A;&#x6570;&#x636E;&#x5E93;&#x4F7F;&#x7528;&#x65F6;&#xFF0C;&#x9700;&#x8981;&#x6CE8;&#x610F;&#xFF0C;&#x56E0;&#x4E3A; es &#x6709;&#x7D22;&#x5F15;&#x5408;&#x5E76;&#x7684;&#x64CD;&#x4F5C;&#xFF0C;&#x6240;&#x4EE5;&#x6570;&#x636E;&#x63D2;&#x5165;&#x5230; es &#x4E2D;&#x5230;&#x53EF;&#x4EE5;&#x67E5;&#x8BE2;&#x7684;&#x5230;&#x9700;&#x8981;&#x4E00;&#x6BB5;&#x65F6;&#x95F4;(&#x7531; es &#x7684; refresh_interval &#x51B3;&#x5B9A;)&#x3002;&#x6240;&#x4EE5;&#x5343;&#x4E07;&#x4E0D;&#x8981;&#x628A; es &#x5F53;&#x6210;&#x5F3A;&#x4E00;&#x81F4;&#x7684;&#x5173;&#x7CFB;&#x578B;&#x6570;&#x636E;&#x5E93;&#x6765;&#x4F7F;&#x7528;&#x3002;</p>
<h3 id="&#x5C06;-sql-&#x8F6C;&#x6362;&#x4E3A;-dsl">&#x5C06; sql &#x8F6C;&#x6362;&#x4E3A; DSL</h3>
<p>&#x6BD4;&#x5982;&#x6211;&#x4EEC;&#x6709;&#x4E00;&#x6BB5; bool &#x8868;&#x8FBE;&#x5F0F;&#xFF0C;user_id = 1 and (product_id = 1 and (star_num = 4 or star_num = 5) and banned = 1)&#xFF0C;&#x5199;&#x6210; SQL &#x662F;&#x5982;&#x4E0B;&#x5F62;&#x5F0F;&#xFF1A;</p>
<pre><code class="lang-sql"><span class="hljs-keyword">select</span> * <span class="hljs-keyword">from</span> xxx <span class="hljs-keyword">where</span> user_id = <span class="hljs-number">1</span> <span class="hljs-keyword">and</span> (product_id = <span class="hljs-number">1</span> <span class="hljs-keyword">and</span> (star_num = <span class="hljs-number">4</span> <span class="hljs-keyword">or</span> star_num = <span class="hljs-number">5</span>) <span class="hljs-keyword">and</span> banned = <span class="hljs-number">1</span>)
</code></pre>
<p>&#x5199;&#x6210; es &#x7684; DSL &#x662F;&#x5982;&#x4E0B;&#x5F62;&#x5F0F;&#xFF1A;</p>
<pre><code class="lang-json">{
  <span class="hljs-string">&quot;query&quot;</span>: {
    <span class="hljs-string">&quot;bool&quot;</span>: {
      <span class="hljs-string">&quot;must&quot;</span>: [
        {
          <span class="hljs-string">&quot;match&quot;</span>: {
            <span class="hljs-string">&quot;user_id&quot;</span>: {
              <span class="hljs-string">&quot;query&quot;</span>: <span class="hljs-string">&quot;1&quot;</span>,
              <span class="hljs-string">&quot;type&quot;</span>: <span class="hljs-string">&quot;phrase&quot;</span>
            }
          }
        },
        {
          <span class="hljs-string">&quot;match&quot;</span>: {
            <span class="hljs-string">&quot;product_id&quot;</span>: {
              <span class="hljs-string">&quot;query&quot;</span>: <span class="hljs-string">&quot;1&quot;</span>,
              <span class="hljs-string">&quot;type&quot;</span>: <span class="hljs-string">&quot;phrase&quot;</span>
            }
          }
        },
        {
          <span class="hljs-string">&quot;bool&quot;</span>: {
            <span class="hljs-string">&quot;should&quot;</span>: [
              {
                <span class="hljs-string">&quot;match&quot;</span>: {
                  <span class="hljs-string">&quot;star_num&quot;</span>: {
                    <span class="hljs-string">&quot;query&quot;</span>: <span class="hljs-string">&quot;4&quot;</span>,
                    <span class="hljs-string">&quot;type&quot;</span>: <span class="hljs-string">&quot;phrase&quot;</span>
                  }
                }
              },
              {
                <span class="hljs-string">&quot;match&quot;</span>: {
                  <span class="hljs-string">&quot;star_num&quot;</span>: {
                    <span class="hljs-string">&quot;query&quot;</span>: <span class="hljs-string">&quot;5&quot;</span>,
                    <span class="hljs-string">&quot;type&quot;</span>: <span class="hljs-string">&quot;phrase&quot;</span>
                  }
                }
              }
            ]
          }
        },
        {
          <span class="hljs-string">&quot;match&quot;</span>: {
            <span class="hljs-string">&quot;banned&quot;</span>: {
              <span class="hljs-string">&quot;query&quot;</span>: <span class="hljs-string">&quot;1&quot;</span>,
              <span class="hljs-string">&quot;type&quot;</span>: <span class="hljs-string">&quot;phrase&quot;</span>
            }
          }
        }
      ]
    }
  },
  <span class="hljs-string">&quot;from&quot;</span>: <span class="hljs-number">0</span>,
  <span class="hljs-string">&quot;size&quot;</span>: <span class="hljs-number">1</span>
}
</code></pre>
<p>es &#x7684; DSL &#x867D;&#x7136;&#x5F88;&#x597D;&#x7406;&#x89E3;&#xFF0C;&#x4F46;&#x662F;&#x624B;&#x5199;&#x8D77;&#x6765;&#x975E;&#x5E38;&#x8D39;&#x52B2;&#x3002;&#x524D;&#x9762;&#x63D0;&#x4F9B;&#x4E86;&#x57FA;&#x4E8E; SDK &#x7684;&#x65B9;&#x5F0F;&#x6765;&#x5199;&#xFF0C;&#x4F46;&#x4E5F;&#x4E0D;&#x8DB3;&#x591F;&#x7075;&#x6D3B;&#x3002;</p>
<p>SQL &#x7684; where &#x90E8;&#x5206;&#x5C31;&#x662F; boolean expression&#x3002;&#x6211;&#x4EEC;&#x4E4B;&#x524D;&#x63D0;&#x5230;&#x8FC7;&#xFF0C;&#x8FD9;&#x79CD; bool &#x8868;&#x8FBE;&#x5F0F;&#x5728;&#x88AB; parse &#x4E4B;&#x540E;&#xFF0C;&#x548C; es &#x7684; DSL &#x7684;&#x7ED3;&#x6784;&#x957F;&#x5F97;&#x5DEE;&#x4E0D;&#x591A;&#xFF0C;&#x6211;&#x4EEC;&#x80FD;&#x4E0D;&#x80FD;&#x76F4;&#x63A5;&#x901A;&#x8FC7;&#x8FD9;&#x79CD;&#x201C;&#x5DEE;&#x4E0D;&#x591A;&#x201D;&#x7684;&#x731C;&#x6D4B;&#x6765;&#x76F4;&#x63A5;&#x5E2E;&#x6211;&#x4EEC;&#x628A; SQL &#x8F6C;&#x6362;&#x6210; DSL &#x5462;&#xFF1F;</p>
<p>&#x5F53;&#x7136;&#x53EF;&#x4EE5;&#xFF0C;&#x6211;&#x4EEC;&#x628A; SQL &#x7684; where &#x88AB; Parse &#x4E4B;&#x540E;&#x7684;&#x7ED3;&#x6784;&#x548C; es &#x7684; DSL &#x7684;&#x7ED3;&#x6784;&#x505A;&#x4E2A;&#x5BF9;&#x6BD4;&#xFF1A;</p>
<p><img src="../images/ch6-ast-dsl.png" alt="ast"></p>
<p>&#x65E2;&#x7136;&#x7ED3;&#x6784;&#x4E0A;&#x5B8C;&#x5168;&#x4E00;&#x81F4;&#xFF0C;&#x903B;&#x8F91;&#x4E0A;&#x6211;&#x4EEC;&#x5C31;&#x53EF;&#x4EE5;&#x76F8;&#x4E92;&#x8F6C;&#x6362;&#x3002;&#x6211;&#x4EEC;&#x4EE5;&#x5E7F;&#x5EA6;&#x4F18;&#x5148;&#x5BF9; AST &#x6811;&#x8FDB;&#x884C;&#x904D;&#x5386;&#xFF0C;&#x7136;&#x540E;&#x5C06;&#x4E8C;&#x5143;&#x8868;&#x8FBE;&#x5F0F;&#x8F6C;&#x6362;&#x6210; json &#x5B57;&#x7B26;&#x4E32;&#xFF0C;&#x518D;&#x62FC;&#x88C5;&#x8D77;&#x6765;&#x5C31;&#x53EF;&#x4EE5;&#x4E86;&#xFF0C;&#x9650;&#x4E8E;&#x7BC7;&#x5E45;&#xFF0C;&#x672C;&#x6587;&#x4E2D;&#x5C31;&#x4E0D;&#x7ED9;&#x51FA;&#x793A;&#x4F8B;&#x4E86;&#xFF0C;&#x8BFB;&#x8005;&#x670B;&#x53CB;&#x53EF;&#x4EE5;&#x67E5;&#x770B;&#xFF1A;</p>
<blockquote>
<p>github.com/cch123/elasticsql</p>
</blockquote>
<p>&#x6765;&#x5B66;&#x4E60;&#x5177;&#x4F53;&#x7684;&#x5B9E;&#x73B0;&#x3002;</p>
<h2 id="&#x5F02;&#x6784;&#x6570;&#x636E;&#x540C;&#x6B65;">&#x5F02;&#x6784;&#x6570;&#x636E;&#x540C;&#x6B65;</h2>
<p>&#x5728;&#x5B9E;&#x9645;&#x5E94;&#x7528;&#x4E2D;&#xFF0C;&#x6211;&#x4EEC;&#x5F88;&#x5C11;&#x76F4;&#x63A5;&#x5411;&#x641C;&#x7D22;&#x5F15;&#x64CE;&#x4E2D;&#x5199;&#x5165;&#x6570;&#x636E;&#x3002;&#x66F4;&#x4E3A;&#x5E38;&#x89C1;&#x7684;&#x65B9;&#x5F0F;&#x662F;&#xFF0C;&#x5C06; MySQL &#x6216;&#x5176;&#x5B83;&#x5173;&#x7CFB;&#x578B;&#x6570;&#x636E;&#x4E2D;&#x7684;&#x6570;&#x636E;&#x540C;&#x6B65;&#x5230;&#x641C;&#x7D22;&#x5F15;&#x64CE;&#x4E2D;&#x3002;&#x800C;&#x641C;&#x7D22;&#x5F15;&#x64CE;&#x7684;&#x4F7F;&#x7528;&#x65B9;&#x53EA;&#x80FD;&#x5BF9;&#x6570;&#x636E;&#x8FDB;&#x884C;&#x67E5;&#x8BE2;&#xFF0C;&#x65E0;&#x6CD5;&#x8FDB;&#x884C;&#x4FEE;&#x6539;&#x548C;&#x5220;&#x9664;&#x3002;</p>
<p>&#x5E38;&#x89C1;&#x7684;&#x540C;&#x6B65;&#x65B9;&#x6848;&#x6709;&#x4E24;&#x79CD;&#xFF1A;</p>
<h3 id="&#x901A;&#x8FC7;&#x65F6;&#x95F4;&#x6233;&#x8FDB;&#x884C;&#x589E;&#x91CF;&#x6570;&#x636E;&#x540C;&#x6B65;">&#x901A;&#x8FC7;&#x65F6;&#x95F4;&#x6233;&#x8FDB;&#x884C;&#x589E;&#x91CF;&#x6570;&#x636E;&#x540C;&#x6B65;</h3>
<pre><code>  &#x250C;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2510;     &#x250C;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2510;
  &#x2502; move 10 min data to es &#x2502;     &#x2502; move 10 min data to es &#x2502;
  &#x2514;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2518;     &#x2514;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2518;

               &#x2502;                               &#x2502;                              &#x250C;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2510;
&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x253C;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x252C;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2534;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x252C;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x25B6; &#x2502;  time passes  &#x2502;
               &#x2502;   &#x250C;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2510;    &#x2502;                            &#x2502;                &#x2514;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2518;
               &#x2502;&#x25C0;&#x2500;&#x2500;&#x2524; 10min &#x251C;&#x2500;&#x2500;&#x2500;&#x25B6;&#x2502;                  &#x250C;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2510;
               &#x2502;   &#x2514;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2518;    &#x2502;                  &#x2502; move 10 min data to es &#x2502;
                                &#x2502;                  &#x2514;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2518;
                                &#x2502;
                                &#x2502;
                                &#x2502;
                                &#x2502;
                    &#x250C;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2510;
                    &#x2502; move 10 min data to es &#x2502;
                    &#x2514;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2518;
</code></pre><p>&#x8FD9;&#x79CD;&#x540C;&#x6B65;&#x65B9;&#x5F0F;&#x4E0E;&#x4E1A;&#x52A1;&#x5F3A;&#x7ED1;&#x5B9A;&#xFF0C;&#x4F8B;&#x5982; wms &#x7CFB;&#x7EDF;&#x4E2D;&#x7684;&#x51FA;&#x5E93;&#x5355;&#xFF0C;&#x6211;&#x4EEC;&#x5E76;&#x4E0D;&#x9700;&#x8981;&#x975E;&#x5E38;&#x5B9E;&#x65F6;&#xFF0C;&#x7A0D;&#x5FAE;&#x6709;&#x5EF6;&#x8FDF;&#x4E5F;&#x53EF;&#x4EE5;&#x63A5;&#x53D7;&#xFF0C;&#x90A3;&#x4E48;&#x6211;&#x4EEC;&#x53EF;&#x4EE5;&#x6BCF;&#x5206;&#x949F;&#x4ECE; MySQL &#x7684;&#x51FA;&#x5E93;&#x5355;&#x8868;&#x4E2D;&#xFF0C;&#x628A;&#x6700;&#x8FD1;&#x5341;&#x5206;&#x949F;&#x521B;&#x5EFA;&#x7684;&#x6240;&#x6709;&#x51FA;&#x5E93;&#x5355;&#x53D6;&#x51FA;&#xFF0C;&#x6279;&#x91CF;&#x5B58;&#x5165; es &#x4E2D;&#xFF0C;&#x5177;&#x4F53;&#x7684;&#x903B;&#x8F91;&#x5B9E;&#x9645;&#x4E0A;&#x5C31;&#x662F;&#x4E00;&#x6761; SQL&#xFF1A;</p>
<pre><code class="lang-sql"><span class="hljs-keyword">select</span> * <span class="hljs-keyword">from</span> wms_orders <span class="hljs-keyword">where</span> update_time &gt;= <span class="hljs-keyword">date_sub</span>(<span class="hljs-keyword">now</span>(), <span class="hljs-built_in">interval</span> <span class="hljs-number">10</span> <span class="hljs-keyword">minute</span>);
</code></pre>
<p>&#x5F53;&#x7136;&#xFF0C;&#x8003;&#x8651;&#x5230;&#x8FB9;&#x754C;&#x60C5;&#x51B5;&#xFF0C;&#x6211;&#x4EEC;&#x53EF;&#x4EE5;&#x8BA9;&#x8FD9;&#x4E2A;&#x65F6;&#x95F4;&#x6BB5;&#x7684;&#x6570;&#x636E;&#x4E0E;&#x524D;&#x4E00;&#x6B21;&#x7684;&#x6709;&#x4E00;&#x4E9B;&#x91CD;&#x53E0;&#xFF1A;</p>
<pre><code class="lang-sql"><span class="hljs-keyword">select</span> * <span class="hljs-keyword">from</span> wms_orders <span class="hljs-keyword">where</span> update_time &gt;= <span class="hljs-keyword">date_sub</span>(<span class="hljs-keyword">now</span>(), <span class="hljs-built_in">interval</span> <span class="hljs-number">11</span> <span class="hljs-keyword">minute</span>);
</code></pre>
<p>&#x53D6;&#x6700;&#x8FD1; 11 &#x5206;&#x949F;&#x6709;&#x53D8;&#x52A8;&#x7684;&#x6570;&#x636E;&#x8986;&#x76D6;&#x66F4;&#x65B0;&#x5230; es &#x4E2D;&#x3002;&#x8FD9;&#x79CD;&#x65B9;&#x6848;&#x7684;&#x7F3A;&#x70B9;&#x663E;&#x800C;&#x6613;&#x89C1;&#xFF0C;&#x6211;&#x4EEC;&#x5FC5;&#x987B;&#x8981;&#x6C42;&#x4E1A;&#x52A1;&#x6570;&#x636E;&#x4E25;&#x683C;&#x9075;&#x5B88;&#x4E00;&#x5B9A;&#x7684;&#x89C4;&#x8303;&#x3002;&#x6BD4;&#x5982;&#x8FD9;&#x91CC;&#x7684;&#xFF0C;&#x5FC5;&#x987B;&#x8981;&#x6709; update_time &#x5B57;&#x6BB5;&#xFF0C;&#x5E76;&#x4E14;&#x6BCF;&#x6B21;&#x521B;&#x5EFA;&#x548C;&#x66F4;&#x65B0;&#x90FD;&#x8981;&#x4FDD;&#x8BC1;&#x8BE5;&#x5B57;&#x6BB5;&#x6709;&#x6B63;&#x786E;&#x7684;&#x65F6;&#x95F4;&#x503C;&#x3002;&#x5426;&#x5219;&#x6211;&#x4EEC;&#x7684;&#x540C;&#x6B65;&#x903B;&#x8F91;&#x5C31;&#x4F1A;&#x4E22;&#x5931;&#x6570;&#x636E;&#x3002;</p>
<h3 id="&#x901A;&#x8FC7;-binlog-&#x8FDB;&#x884C;&#x6570;&#x636E;&#x540C;&#x6B65;">&#x901A;&#x8FC7; binlog &#x8FDB;&#x884C;&#x6570;&#x636E;&#x540C;&#x6B65;</h3>
<pre><code>                &#x250C;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2510;
                &#x2502;      MySQL master      &#x2502;
                &#x2514;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2518;
                             &#x2502;
                             &#x2502;
                             &#x2502;
                             &#x2502;
                             &#x2502;
                             &#x2502;
                             &#x25BC;
                   &#x250C;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2510;
                   &#x2502; row format binlog &#x2502;
                   &#x2514;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2518;
                             &#x2502;
                             &#x2502;
                             &#x2502;
             &#x250C;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2534;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2510;
             &#x2502;                              &#x2502;
             &#x2502;                              &#x2502;
             &#x25BC;                              &#x25BC;
&#x250C;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2510;         &#x250C;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2510;
&#x2502;      MySQL slave       &#x2502;         &#x2502;      canal      &#x2502;
&#x2514;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2518;         &#x2514;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2518;
                                            &#x2502;
                                  &#x250C;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2534;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2510;
                                  &#x2502;   parsed binlog    &#x2502;
                                  &#x2514;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x252C;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2518;
                                            &#x2502;
                                            &#x25BC;
                                   &#x250C;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2510;
                                   &#x2502;     kafka      &#x2502;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2510;
                                   &#x2514;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2518;     &#x2502;
                                                          &#x2502;
                                                          &#x2502;
                                                          &#x2502;
                                                          &#x2502;
                                              &#x250C;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2534;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2510;
                                              &#x2502;  kafka consumer  &#x2502;
                                              &#x2514;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x252C;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2518;
                                                          &#x2502;
                                                          &#x2502;
                                                          &#x2502;
                                                          &#x2502;      &#x250C;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2510;
                                                          &#x2514;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x25B6;&#x2502; elasticsearch  &#x2502;
                                                                 &#x2514;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2500;&#x2518;
</code></pre><p>&#x4E1A;&#x754C;&#x4F7F;&#x7528;&#x8F83;&#x591A;&#x7684;&#x662F;&#x963F;&#x91CC;&#x5F00;&#x6E90;&#x7684; canal&#xFF0C;&#x6765;&#x8FDB;&#x884C; binlog &#x89E3;&#x6790;&#x4E0E;&#x540C;&#x6B65;&#x3002;canal &#x4F1A;&#x4F2A;&#x88C5;&#x6210; MySQL &#x7684;&#x4ECE;&#x5E93;&#xFF0C;&#x7136;&#x540E;&#x89E3;&#x6790;&#x597D;&#x884C;&#x683C;&#x5F0F;&#x7684; binlog&#xFF0C;&#x518D;&#x4EE5;&#x66F4;&#x5BB9;&#x6613;&#x89E3;&#x6790;&#x7684;&#x683C;&#x5F0F;(&#x4F8B;&#x5982; json) &#x53D1;&#x9001;&#x5230;&#x6D88;&#x606F;&#x961F;&#x5217;&#x3002;</p>
<p>&#x7531;&#x4E0B;&#x6E38;&#x7684; kafka &#x6D88;&#x8D39;&#x8005;&#x8D1F;&#x8D23;&#x628A;&#x4E0A;&#x6E38;&#x6570;&#x636E;&#x8868;&#x7684;&#x81EA;&#x589E;&#x4E3B;&#x952E;&#x4F5C;&#x4E3A; es &#x7684; document &#x7684; id &#x8FDB;&#x884C;&#x5199;&#x5165;&#xFF0C;&#x8FD9;&#x6837;&#x53EF;&#x4EE5;&#x4FDD;&#x8BC1;&#x6BCF;&#x6B21;&#x63A5;&#x6536;&#x5230; binlog &#x65F6;&#xFF0C;&#x5BF9;&#x5E94; id &#x7684;&#x6570;&#x636E;&#x90FD;&#x88AB;&#x8986;&#x76D6;&#x66F4;&#x65B0;&#x4E3A;&#x6700;&#x65B0;&#x3002;MySQL &#x7684; row &#x683C;&#x5F0F;&#x7684; binlog &#x4F1A;&#x5C06;&#x6BCF;&#x6761;&#x8BB0;&#x5F55;&#x7684;&#x6240;&#x6709;&#x5B57;&#x6BB5;&#x90FD;&#x63D0;&#x4F9B;&#x7ED9;&#x4E0B;&#x6E38;&#xFF0C;&#x6240;&#x4EE5;&#x5B9E;&#x9645;&#x4E0A;&#x5728;&#x5411;&#x5F02;&#x6784;&#x6570;&#x636E;&#x76EE;&#x6807;&#x540C;&#x6B65;&#x6570;&#x636E;&#x65F6;&#xFF0C;&#x4E0D;&#x9700;&#x8981;&#x8003;&#x8651;&#x6570;&#x636E;&#x662F;&#x63D2;&#x5165;&#x8FD8;&#x662F;&#x66F4;&#x65B0;&#xFF0C;&#x53EA;&#x8981;&#x4E00;&#x5F8B;&#x6309; id &#x8FDB;&#x884C;&#x8986;&#x76D6;&#x5373;&#x53EF;&#x3002;</p>
<p>&#x8FD9;&#x79CD;&#x6A21;&#x5F0F;&#x540C;&#x6837;&#x9700;&#x8981;&#x4E1A;&#x52A1;&#x9075;&#x5B88;&#x4E00;&#x6761;&#x6570;&#x636E;&#x8868;&#x89C4;&#x8303;&#xFF0C;&#x5373;&#x8868;&#x4E2D;&#x5FC5;&#x987B;&#x6709;&#x552F;&#x4E00;&#x4E3B;&#x952E; id &#x6765;&#x4FDD;&#x8BC1;&#x6211;&#x4EEC;&#x8FDB;&#x5165; es &#x7684;&#x6570;&#x636E;&#x4E0D;&#x4F1A;&#x53D1;&#x751F;&#x91CD;&#x590D;&#x3002;&#x4E00;&#x65E6;&#x4E0D;&#x9075;&#x5B88;&#x8BE5;&#x89C4;&#x8303;&#xFF0C;&#x90A3;&#x4E48;&#x5C31;&#x4F1A;&#x5728;&#x540C;&#x6B65;&#x65F6;&#x5BFC;&#x81F4;&#x6570;&#x636E;&#x91CD;&#x590D;&#x3002;&#x5F53;&#x7136;&#xFF0C;&#x4F60;&#x4E5F;&#x53EF;&#x4EE5;&#x4E3A;&#x6BCF;&#x4E00;&#x5F20;&#x9700;&#x8981;&#x7684;&#x8868;&#x53BB;&#x5B9A;&#x5236;&#x6D88;&#x8D39;&#x8005;&#x7684;&#x903B;&#x8F91;&#xFF0C;&#x8FD9;&#x5C31;&#x4E0D;&#x662F;&#x901A;&#x7528;&#x7CFB;&#x7EDF;&#x8BA8;&#x8BBA;&#x7684;&#x8303;&#x7574;&#x4E86;&#x3002;</p>

                                
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